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Bitter principlesBitter Bit"ter, a. [AS. biter; akin to Goth. baitrs, Icel.
bitr, Dan., Sw., D., & G. bitter, OS. bittar, fr. root of E.
bite. See Bite, v. t.]
1. Having a peculiar, acrid, biting taste, like that of
wormwood or an infusion of hops; as, a bitter medicine;
bitter as aloes.
2. Causing pain or smart; piercing; painful; sharp; severe;
as, a bitter cold day.
3. Causing, or fitted to cause, pain or distress to the mind;
calamitous; poignant.
It is an evil thing and bitter, that thou hast
forsaken the Lord thy God. --Jer. ii. 19.
4. Characterized by sharpness, severity, or cruelty; harsh;
stern; virulent; as, bitter reproach.
Husbands, love your wives, and be not bitter against
them. --Col. iii.
19.
5. Mournful; sad; distressing; painful; pitiable.
The Egyptians . . . made their lives bitter with
hard bondage. --Ex. i. 14.
Bitter apple, Bitter cucumber, Bitter gourd. (Bot.) See
Colocynth.
Bitter cress (Bot.), a plant of the genus Cardamine, esp.
C. amara.
Bitter earth (Min.), tale earth; calcined magnesia.
Bitter principles (Chem.), a class of substances, extracted
from vegetable products, having strong bitter taste but
with no sharply defined chemical characteristics.
Bitter salt, Epsom salts; magnesium sulphate.
Bitter vetch (Bot.), a name given to two European
leguminous herbs, Vicia Orobus and Ervum Ervilia.
To the bitter end, to the last extremity, however
calamitous.
Syn: Acrid; sharp; harsh; pungent; stinging; cutting; severe;
acrimonious. Campephilus principalisIvory-bill I"vo*ry-bill`, n. (Zo["o]l.)
A large, handsome, North American woodpecker (Campephilus
principalis), having a large, sharp, ivory-colored beak. Its
general color is glossy black, with white secondaries, and a
white dorsal stripe. The male has a large, scarlet crest. It
is now rare, and found only in the Gulf States. Campephilus principalisWoodpecker Wood"peck`er, n. (Zo["o]l.)
Any one of numerous species of scansorial birds belonging to
Picus and many allied genera of the family Picid[ae].
Note: These birds have the tail feathers pointed and rigid at
the tip to aid in climbing, and a strong chisellike
bill with which they are able to drill holes in the
bark and wood of trees in search of insect larv[ae]
upon which most of the species feed. A few species feed
partly upon the sap of trees (see Sap sucker, under
Sap), others spend a portion of their time on the
ground in search of ants and other insects. The most
common European species are the greater spotted
woodpecker (Dendrocopus major), the lesser spotted
woodpecker (D. minor), and the green woodpecker, or
yaffle (see Yaffle). The best-known American species
are the pileated woodpecker (see under Pileated), the
ivory-billed woodpecker (Campephilus principalis),
which is one of the largest known species, the
red-headed woodpecker, or red-head (Melanerpes
erythrocephalus), the red-bellied woodpecker (M.
Carolinus) (see Chab), the superciliary woodpecker
(M. superciliaris), the hairy woodpecker (Dryobates
villosus), the downy woodpecker (D. pubescens), the
three-toed, woodpecker (Picoides Americanus), the
golden-winged woodpecker (see Flicker), and the sap
suckers. See also Carpintero.
Woodpecker hornbill (Zo["o]l.), a black and white Asiatic
hornbill (Buceros pica) which resembles a woodpecker in
color. extractive principleExtract Ex"tract`, n.
1. That which is extracted or drawn out.
2. A portion of a book or document, separately transcribed; a
citation; a quotation.
3. A decoction, solution, or infusion made by drawing out
from any substance that which gives it its essential and
characteristic virtue; essence; as, extract of beef;
extract of dandelion; also, any substance so extracted,
and characteristic of that from which it is obtained; as,
quinine is the most important extract of Peruvian bark.
4. (Med.) A solid preparation obtained by evaporating a
solution of a drug, etc., or the fresh juice of a plant;
-- distinguished from an abstract. See Abstract, n., 4.
5. (Old Chem.) A peculiar principle once erroneously supposed
to form the basis of all vegetable extracts; -- called
also the extractive principle. [Obs.]
6. Extraction; descent. [Obs.] --South.
7. (Scots Law) A draught or copy of writing; certified copy
of the proceedings in an action and the judgement therein,
with an order for execution. --Tomlins.
Fluid extract (Med.), a concentrated liquid preparation,
containing a definite proportion of the active principles
of a medicinal substance. At present a fluid gram of
extract should represent a gram of the crude drug. High-principled
High-principled High"-prin`ci*pled, a.
Possessed of noble or honorable principles.
nervous principleSpirit Spir"it, n. [OF. espirit, esperit, F. esprit, L.
spiritus, from spirare to breathe, to blow. Cf. Conspire,
Expire, Esprit, Sprite.]
1. Air set in motion by breathing; breath; hence, sometimes,
life itself. [Obs.] ``All of spirit would deprive.'
--Spenser.
The mild air, with season moderate, Gently
attempered, and disposed eo well, That still it
breathed foorth sweet spirit. --Spenser.
2. A rough breathing; an aspirate, as the letter h; also, a
mark to denote aspiration; a breathing. [Obs.]
Be it a letter or spirit, we have great use for it.
--B. Jonson.
3. Life, or living substance, considered independently of
corporeal existence; an intelligence conceived of apart
from any physical organization or embodiment; vital
essence, force, or energy, as distinct from matter.
4. The intelligent, immaterial and immortal part of man; the
soul, in distinction from the body in which it resides;
the agent or subject of vital and spiritual functions,
whether spiritual or material.
There is a spirit in man; and the inspiration of the
Almighty giveth them understanding. --Job xxxii.
8.
As the body without the spirit is dead, so faith
without works is dead also. --James ii.
26.
Spirit is a substance wherein thinking, knowing,
doubting, and a power of moving, do subsist.
--Locke.
5. Specifically, a disembodied soul; the human soul after it
has left the body.
Then shall the dust return to the earth as it was,
and the spirit shall return unto God who gave it.
--Eccl. xii.
7.
Ye gentle spirits far away, With whom we shared the
cup of grace. --Keble.
6. Any supernatural being, good or bad; an apparition; a
specter; a ghost; also, sometimes, a sprite,; a fairy; an
elf.
Whilst young, preserve his tender mind from all
impressions of spirits and goblins in the dark.
--Locke.
7. Energy, vivacity, ardor, enthusiasm, courage, etc.
``Write it then, quickly,' replied Bede; and
summoning all his spirits together, like the last
blaze of a candle going out, he indited it, and
expired. --Fuller.
8. One who is vivacious or lively; one who evinces great
activity or peculiar characteristics of mind or temper;
as, a ruling spirit; a schismatic spirit.
Such spirits as he desired to please, such would I
choose for my judges. --Dryden.
9. Temper or disposition of mind; mental condition or
disposition; intellectual or moral state; -- often in the
plural; as, to be cheerful, or in good spirits; to be
downhearted, or in bad spirits.
God has . . . made a spirit of building succeed a
spirit of pulling down. --South.
A perfect judge will read each work of wit With the
same spirit that its author writ. --Pope.
10. Intent; real meaning; -- opposed to the letter, or to
formal statement; also, characteristic quality,
especially such as is derived from the individual genius
or the personal character; as, the spirit of an
enterprise, of a document, or the like.
11. Tenuous, volatile, airy, or vapory substance, possessed
of active qualities.
All bodies have spirits . . . within them. --Bacon.
12. Any liquid produced by distillation; especially, alcohol,
the spirits, or spirit, of wine (it having been first
distilled from wine): -- often in the plural.
13. pl. Rum, whisky, brandy, gin, and other distilled liquors
having much alcohol, in distinction from wine and malt
liquors.
14. (Med.) A solution in alcohol of a volatile principle. Cf.
Tincture. --U. S. Disp.
15. (Alchemy) Any one of the four substances, sulphur, sal
ammoniac, quicksilver, or arsenic (or, according to some,
orpiment).
The four spirits and the bodies seven. --Chaucer.
16. (Dyeing) Stannic chloride. See under Stannic.
Note: Spirit is sometimes joined with other words, forming
compounds, generally of obvious signification; as,
spirit-moving, spirit-searching, spirit-stirring, etc.
Astral spirits, Familiar spirits, etc. See under
Astral, Familiar, etc.
Animal spirits.
(a) (Physiol.) The fluid which at one time was supposed
to circulate through the nerves and was regarded as
the agent of sensation and motion; -- called also the
nervous fluid, or nervous principle.
(b) Physical health and energy; frolicsomeness;
sportiveness.
Ardent spirits, strong alcoholic liquors, as brandy, rum,
whisky, etc., obtained by distillation.
Holy Spirit, or The Spirit (Theol.), the Spirit of God,
or the third person of the Trinity; the Holy Ghost. The
spirit also signifies the human spirit as influenced or
animated by the Divine Spirit.
Proof spirit. (Chem.) See under Proof.
Rectified spirit (Chem.), spirit rendered purer or more
concentrated by redistillation, so as to increase the
percentage of absolute alcohol.
Spirit butterfly (Zo["o]l.), any one of numerous species of
delicate butterflies of tropical America belonging to the
genus Ithomia. The wings are gauzy and nearly destitute
of scales.
Spirit duck. (Zo["o]l.)
(a) The buffle-headed duck.
(b) The golden-eye.
Spirit lamp (Art), a lamp in which alcohol or methylated
spirit is burned.
Spirit level. See under Level.
Spirit of hartshorn. (Old Chem.) See under Hartshorn.
Spirit of Mindererus (Med.), an aqueous solution of acetate
of ammonium; -- named after R. Minderer, physician of
Augsburg.
Spirit of nitrous ether (Med. Chem.), a pale yellow liquid,
of a sweetish taste and a pleasant ethereal odor. It is
obtained by the distillation of alcohol with nitric and
sulphuric acids, and consists essentially of ethyl nitrite
with a little acetic aldehyde. It is used as a
diaphoretic, diuretic, antispasmodic, etc. Called also
sweet spirit of niter.
Spirit of salt (Chem.), hydrochloric acid; -- so called
because obtained from salt and sulphuric acid. [Obs.]
Spirit of sense, the utmost refinement of sensation. [Obs.]
--Shak.
Spirits, or Spirit, of turpentine (Chem.), rectified
oil of turpentine, a transparent, colorless, volatile, and
very inflammable liquid, distilled from the turpentine of
the various species of pine; camphine. See Camphine.
Spirit of vitriol (Chem.), sulphuric acid; -- so called
because formerly obtained by the distillation of green
vitriol. [Obs.]
Spirit of vitriolic ether (Chem.) ether; -- often but
incorrectly called sulphuric ether. See Ether. [Obs.]
Spirits, or Spirit, of wine (Chem.), alcohol; -- so
called because formerly obtained by the distillation of
wine.
Spirit rapper, one who practices spirit rapping; a
``medium' so called.
Spirit rapping, an alleged form of communication with the
spirits of the dead by raps. See Spiritualism, 3.
Sweet spirit of niter. See Spirit of nitrous ether,
above. Princified
Princified Prin"ci*fied, a. [Prince + L. -ficare (in comp.).]
Imitative of a prince. [R. & Colloq.] --Thackeray.
PrincipalPrincipal Prin"ci*pal, a. [F., from L. principalis. See
Prince.]
1. Highest in rank, authority, character, importance, or
degree; most considerable or important; chief; main; as,
the principal officers of a Government; the principal men
of a state; the principal productions of a country; the
principal arguments in a case.
Wisdom is the principal thing. --Prov. iv. 7.
2. Of or pertaining to a prince; princely. [A Latinism]
[Obs.] --Spenser.
Principal axis. See Axis of a curve, under Axis.
Principal axes of a quadric (Geom.), three lines in which
the principal planes of the solid intersect two and two,
as in an ellipsoid.
Principal challenge. (Law) See under Challenge.
Principal plane. See Plane of projection
(a), under Plane.
Principal of a quadric (Geom.), three planes each of which
is at right angles to the other two, and bisects all
chords of the quadric perpendicular to the plane, as in an
ellipsoid.
Principal point (Persp.), the projection of the point of
sight upon the plane of projection.
Principal ray (Persp.), the line drawn through the point of
sight perpendicular to the perspective plane.
Principal section (Crystallog.), a plane passing through
the optical axis of a crystal. Principal axes of a quadricPrincipal Prin"ci*pal, a. [F., from L. principalis. See
Prince.]
1. Highest in rank, authority, character, importance, or
degree; most considerable or important; chief; main; as,
the principal officers of a Government; the principal men
of a state; the principal productions of a country; the
principal arguments in a case.
Wisdom is the principal thing. --Prov. iv. 7.
2. Of or pertaining to a prince; princely. [A Latinism]
[Obs.] --Spenser.
Principal axis. See Axis of a curve, under Axis.
Principal axes of a quadric (Geom.), three lines in which
the principal planes of the solid intersect two and two,
as in an ellipsoid.
Principal challenge. (Law) See under Challenge.
Principal plane. See Plane of projection
(a), under Plane.
Principal of a quadric (Geom.), three planes each of which
is at right angles to the other two, and bisects all
chords of the quadric perpendicular to the plane, as in an
ellipsoid.
Principal point (Persp.), the projection of the point of
sight upon the plane of projection.
Principal ray (Persp.), the line drawn through the point of
sight perpendicular to the perspective plane.
Principal section (Crystallog.), a plane passing through
the optical axis of a crystal. Principal axisPrincipal Prin"ci*pal, a. [F., from L. principalis. See
Prince.]
1. Highest in rank, authority, character, importance, or
degree; most considerable or important; chief; main; as,
the principal officers of a Government; the principal men
of a state; the principal productions of a country; the
principal arguments in a case.
Wisdom is the principal thing. --Prov. iv. 7.
2. Of or pertaining to a prince; princely. [A Latinism]
[Obs.] --Spenser.
Principal axis. See Axis of a curve, under Axis.
Principal axes of a quadric (Geom.), three lines in which
the principal planes of the solid intersect two and two,
as in an ellipsoid.
Principal challenge. (Law) See under Challenge.
Principal plane. See Plane of projection
(a), under Plane.
Principal of a quadric (Geom.), three planes each of which
is at right angles to the other two, and bisects all
chords of the quadric perpendicular to the plane, as in an
ellipsoid.
Principal point (Persp.), the projection of the point of
sight upon the plane of projection.
Principal ray (Persp.), the line drawn through the point of
sight perpendicular to the perspective plane.
Principal section (Crystallog.), a plane passing through
the optical axis of a crystal. principal axisAxis Ax"is, n.; pl. Axes. [L. axis axis, axle. See Axle.]
A straight line, real or imaginary, passing through a body,
on which it revolves, or may be supposed to revolve; a line
passing through a body or system around which the parts are
symmetrically arranged.
2. (Math.) A straight line with respect to which the
different parts of a magnitude are symmetrically arranged;
as, the axis of a cylinder, i. e., the axis of a cone,
that is, the straight line joining the vertex and the
center of the base; the axis of a circle, any straight
line passing through the center.
3. (Bot.) The stem; the central part, or longitudinal
support, on which organs or parts are arranged; the
central line of any body. --Gray.
4. (Anat.)
(a) The second vertebra of the neck, or vertebra
dentata.
(b) Also used of the body only of the vertebra, which is
prolonged anteriorly within the foramen of the first
vertebra or atlas, so as to form the odontoid process
or peg which serves as a pivot for the atlas and head
to turn upon.
5. (Crystallog.) One of several imaginary lines, assumed in
describing the position of the planes by which a crystal
is bounded.
6. (Fine Arts) The primary or secondary central line of any
design.
Anticlinal axis (Geol.), a line or ridge from which the
strata slope downward on the two opposite sides.
Synclinal axis, a line from which the strata slope upward
in opposite directions, so as to form a valley.
Axis cylinder (Anat.), the neuraxis or essential, central
substance of a nerve fiber; -- called also axis band,
axial fiber, and cylinder axis.
Axis in peritrochio, the wheel and axle, one of the
mechanical powers.
Axis of a curve (Geom.), a straight line which bisects a
system of parallel chords of a curve; called a principal
axis, when cutting them at right angles, in which case it
divides the curve into two symmetrical portions, as in the
parabola, which has one such axis, the ellipse, which has
two, or the circle, which has an infinite number. The two
axes of the ellipse are the major axis and the minor
axis, and the two axes of the hyperbola are the
transverse axis and the conjugate axis.
Axis of a lens, the straight line passing through its
center and perpendicular to its surfaces.
Axis of a telescope or microscope, the straight line with
which coincide the axes of the several lenses which
compose it.
Axes of co["o]rdinates in a plane, two straight lines
intersecting each other, to which points are referred for
the purpose of determining their relative position: they
are either rectangular or oblique.
Axes of co["o]rdinates in space, the three straight lines
in which the co["o]rdinate planes intersect each other.
Axis of a balance, that line about which it turns.
Axis of oscillation, of a pendulum, a right line passing
through the center about which it vibrates, and
perpendicular to the plane of vibration.
Axis of polarization, the central line around which the
prismatic rings or curves are arranged. --Brewster.
Axis of revolution (Descriptive Geom.), a straight line
about which some line or plane is revolved, so that the
several points of the line or plane shall describe circles
with their centers in the fixed line, and their planes
perpendicular to it, the line describing a surface of
revolution, and the plane a solid of revolution.
Axis of symmetry (Geom.), any line in a plane figure which
divides the figure into two such parts that one part, when
folded over along the axis, shall coincide with the other
part.
Axis of the equator, ecliptic, horizon (or other circle
considered with reference to the sphere on which it lies),
the diameter of the sphere which is perpendicular to the
plane of the circle. --Hutton.
Axis of the Ionic capital (Arch.), a line passing
perpendicularly through the middle of the eye of the
volute.
Neutral axis (Mech.), the line of demarcation between the
horizontal elastic forces of tension and compression,
exerted by the fibers in any cross section of a girder.
Optic axis of a crystal, the direction in which a ray of
transmitted light suffers no double refraction. All
crystals, not of the isometric system, are either uniaxial
or biaxial.
Optic axis, Visual axis (Opt.), the straight line passing
through the center of the pupil, and perpendicular to the
surface of the eye.
Radical axis of two circles (Geom.), the straight line
perpendicular to the line joining their centers and such
that the tangents from any point of it to the two circles
shall be equal to each other.
Spiral axis (Arch.), the axis of a twisted column drawn
spirally in order to trace the circumvolutions without.
Axis of abscissas and Axis of ordinates. See Abscissa. Principal challengePrincipal Prin"ci*pal, a. [F., from L. principalis. See
Prince.]
1. Highest in rank, authority, character, importance, or
degree; most considerable or important; chief; main; as,
the principal officers of a Government; the principal men
of a state; the principal productions of a country; the
principal arguments in a case.
Wisdom is the principal thing. --Prov. iv. 7.
2. Of or pertaining to a prince; princely. [A Latinism]
[Obs.] --Spenser.
Principal axis. See Axis of a curve, under Axis.
Principal axes of a quadric (Geom.), three lines in which
the principal planes of the solid intersect two and two,
as in an ellipsoid.
Principal challenge. (Law) See under Challenge.
Principal plane. See Plane of projection
(a), under Plane.
Principal of a quadric (Geom.), three planes each of which
is at right angles to the other two, and bisects all
chords of the quadric perpendicular to the plane, as in an
ellipsoid.
Principal point (Persp.), the projection of the point of
sight upon the plane of projection.
Principal ray (Persp.), the line drawn through the point of
sight perpendicular to the perspective plane.
Principal section (Crystallog.), a plane passing through
the optical axis of a crystal. Principal challengeChallenge Chal"lenge, n. [OE. chalenge claim, accusation,
challenge, OF. chalenge, chalonge, claim, accusation,
contest, fr. L. calumnia false accusation, chicanery. See
Calumny.]
1. An invitation to engage in a contest or controversy of any
kind; a defiance; specifically, a summons to fight a duel;
also, the letter or message conveying the summons.
A challenge to controversy. --Goldsmith.
2. The act of a sentry in halting any one who appears at his
post, and demanding the countersign.
3. A claim or demand. [Obs.]
There must be no challenge of superiority.
--Collier.
4. (Hunting) The opening and crying of hounds at first
finding the scent of their game.
5. (Law) An exception to a juror or to a member of a court
martial, coupled with a demand that he should be held
incompetent to act; the claim of a party that a certain
person or persons shall not sit in trial upon him or his
cause. --Blackstone
6. An exception to a person as not legally qualified to vote.
The challenge must be made when the ballot is offered. [U.
S.]
Challenge to the array (Law), an exception to the whole
panel.
Challenge to the favor, the alleging a special cause, the
sufficiency of which is to be left to those whose duty and
office it is to decide upon it.
Challenge to the polls, an exception taken to any one or
more of the individual jurors returned.
Peremptory challenge, a privilege sometimes allowed to
defendants, of challenging a certain number of jurors
(fixed by statute in different States) without assigning
any cause.
Principal challenge, that which the law allows to be
sufficient if found to be true. Principal of a quadricPrincipal Prin"ci*pal, a. [F., from L. principalis. See
Prince.]
1. Highest in rank, authority, character, importance, or
degree; most considerable or important; chief; main; as,
the principal officers of a Government; the principal men
of a state; the principal productions of a country; the
principal arguments in a case.
Wisdom is the principal thing. --Prov. iv. 7.
2. Of or pertaining to a prince; princely. [A Latinism]
[Obs.] --Spenser.
Principal axis. See Axis of a curve, under Axis.
Principal axes of a quadric (Geom.), three lines in which
the principal planes of the solid intersect two and two,
as in an ellipsoid.
Principal challenge. (Law) See under Challenge.
Principal plane. See Plane of projection
(a), under Plane.
Principal of a quadric (Geom.), three planes each of which
is at right angles to the other two, and bisects all
chords of the quadric perpendicular to the plane, as in an
ellipsoid.
Principal point (Persp.), the projection of the point of
sight upon the plane of projection.
Principal ray (Persp.), the line drawn through the point of
sight perpendicular to the perspective plane.
Principal section (Crystallog.), a plane passing through
the optical axis of a crystal. Principal or SolarFocus Fo"cus, n.; pl. E. Focuses, L. Foci. [L. focus
hearth, fireplace; perh. akin to E. bake. Cf. Curfew,
Fuel, Fusil the firearm.]
1. (Opt.) A point in which the rays of light meet, after
being reflected or refrcted, and at which the image is
formed; as, the focus of a lens or mirror.
2. (Geom.) A point so related to a conic section and certain
straight line called the directrix that the ratio of the
distace between any point of the curve and the focus to
the distance of the same point from the directrix is
constant.
Note: Thus, in the ellipse FGHKLM, A is the focus and CD the
directrix, when the ratios FA:FE, GA:GD, MA:MC, etc.,
are all equal. So in the hyperbola, A is the focus and
CD the directrix when the ratio HA:HK is constant for
all points of the curve; and in the parabola, A is the
focus and CD the directrix when the ratio BA:BC is
constant. In the ellipse this ratio is less than unity,
in the parabola equal to unity, and in the hyperbola
greater than unity. The ellipse and hyperbola have each
two foci, and two corresponding directrixes, and the
parabola has one focus and one directrix. In the
ellipse the sum of the two lines from any point of the
curve to the two foci is constant; that is:
AG+GB=AH+HB; and in the hyperbola the difference of the
corresponding lines is constant. The diameter which
passes through the foci of the ellipse is the major
axis. The diameter which being produced passes through
the foci of the hyperbola is the transverse axis. The
middle point of the major or the transverse axis is the
center of the curve. Certain other curves, as the
lemniscate and the Cartesian ovals, have points called
foci, possessing properties similar to those of the
foci of conic sections. In an ellipse, rays of light
coming from one focus, and reflected from the curve,
proceed in lines directed toward the other; in an
hyperbola, in lines directed from the other; in a
parabola, rays from the focus, after reflection at the
curve, proceed in lines parallel to the axis. Thus rays
from A in the ellipse are reflected to B; rays from A
in the hyperbola are reflected toward L and M away from
B.
3. A central point; a point of concentration.
Aplanatic focus. (Opt.) See under Aplanatic.
Conjugate focus (Opt.), the focus for rays which have a
sensible divergence, as from a near object; -- so called
because the positions of the object and its image are
interchangeable.
Focus tube (Phys.), a vacuum tube for R[oe]ntgen rays in
which the cathode rays are focused upon the anticathode,
for intensifying the effect.
Principal, or Solar, focus (Opt.), the focus for parallel
rays. Principal planePrincipal Prin"ci*pal, a. [F., from L. principalis. See
Prince.]
1. Highest in rank, authority, character, importance, or
degree; most considerable or important; chief; main; as,
the principal officers of a Government; the principal men
of a state; the principal productions of a country; the
principal arguments in a case.
Wisdom is the principal thing. --Prov. iv. 7.
2. Of or pertaining to a prince; princely. [A Latinism]
[Obs.] --Spenser.
Principal axis. See Axis of a curve, under Axis.
Principal axes of a quadric (Geom.), three lines in which
the principal planes of the solid intersect two and two,
as in an ellipsoid.
Principal challenge. (Law) See under Challenge.
Principal plane. See Plane of projection
(a), under Plane.
Principal of a quadric (Geom.), three planes each of which
is at right angles to the other two, and bisects all
chords of the quadric perpendicular to the plane, as in an
ellipsoid.
Principal point (Persp.), the projection of the point of
sight upon the plane of projection.
Principal ray (Persp.), the line drawn through the point of
sight perpendicular to the perspective plane.
Principal section (Crystallog.), a plane passing through
the optical axis of a crystal. Principal pointPrincipal Prin"ci*pal, a. [F., from L. principalis. See
Prince.]
1. Highest in rank, authority, character, importance, or
degree; most considerable or important; chief; main; as,
the principal officers of a Government; the principal men
of a state; the principal productions of a country; the
principal arguments in a case.
Wisdom is the principal thing. --Prov. iv. 7.
2. Of or pertaining to a prince; princely. [A Latinism]
[Obs.] --Spenser.
Principal axis. See Axis of a curve, under Axis.
Principal axes of a quadric (Geom.), three lines in which
the principal planes of the solid intersect two and two,
as in an ellipsoid.
Principal challenge. (Law) See under Challenge.
Principal plane. See Plane of projection
(a), under Plane.
Principal of a quadric (Geom.), three planes each of which
is at right angles to the other two, and bisects all
chords of the quadric perpendicular to the plane, as in an
ellipsoid.
Principal point (Persp.), the projection of the point of
sight upon the plane of projection.
Principal ray (Persp.), the line drawn through the point of
sight perpendicular to the perspective plane.
Principal section (Crystallog.), a plane passing through
the optical axis of a crystal. Principal rayPrincipal Prin"ci*pal, a. [F., from L. principalis. See
Prince.]
1. Highest in rank, authority, character, importance, or
degree; most considerable or important; chief; main; as,
the principal officers of a Government; the principal men
of a state; the principal productions of a country; the
principal arguments in a case.
Wisdom is the principal thing. --Prov. iv. 7.
2. Of or pertaining to a prince; princely. [A Latinism]
[Obs.] --Spenser.
Principal axis. See Axis of a curve, under Axis.
Principal axes of a quadric (Geom.), three lines in which
the principal planes of the solid intersect two and two,
as in an ellipsoid.
Principal challenge. (Law) See under Challenge.
Principal plane. See Plane of projection
(a), under Plane.
Principal of a quadric (Geom.), three planes each of which
is at right angles to the other two, and bisects all
chords of the quadric perpendicular to the plane, as in an
ellipsoid.
Principal point (Persp.), the projection of the point of
sight upon the plane of projection.
Principal ray (Persp.), the line drawn through the point of
sight perpendicular to the perspective plane.
Principal section (Crystallog.), a plane passing through
the optical axis of a crystal. Principal sectionPrincipal Prin"ci*pal, a. [F., from L. principalis. See
Prince.]
1. Highest in rank, authority, character, importance, or
degree; most considerable or important; chief; main; as,
the principal officers of a Government; the principal men
of a state; the principal productions of a country; the
principal arguments in a case.
Wisdom is the principal thing. --Prov. iv. 7.
2. Of or pertaining to a prince; princely. [A Latinism]
[Obs.] --Spenser.
Principal axis. See Axis of a curve, under Axis.
Principal axes of a quadric (Geom.), three lines in which
the principal planes of the solid intersect two and two,
as in an ellipsoid.
Principal challenge. (Law) See under Challenge.
Principal plane. See Plane of projection
(a), under Plane.
Principal of a quadric (Geom.), three planes each of which
is at right angles to the other two, and bisects all
chords of the quadric perpendicular to the plane, as in an
ellipsoid.
Principal point (Persp.), the projection of the point of
sight upon the plane of projection.
Principal ray (Persp.), the line drawn through the point of
sight perpendicular to the perspective plane.
Principal section (Crystallog.), a plane passing through
the optical axis of a crystal. Principally
Principally Prin"ci*pal*ly, adv.
In a principal manner; primarily; above all; chiefly; mainly.
Principalness
Principalness Prin"ci*pal*ness, n.
The quality of being principal.
Principate
Principate Prin"ci*pate, n. [L. principatus: cf. F.
principat.]
Principality; supreme rule. [Obs.] --Barrow.
Principial
Principial Prin*cip"i*al, a.
Elementary. [Obs.] --Bacon.
PrincipiantPrincipiant Prin*cip"i*ant, a. [L. principians, p. pr. of
principiare to begin, fr. principium. See Principle.]
Relating to principles or beginnings. [R.] --Jer. Taylor. PrincipiatePrincipiate Prin*cip"i*ate, v. t. [See Principiant.]
To begin; to initiate. [Obs.] --Sir M. Hale. Principiation
Principiation Prin*cip`i*a"tion, n.
Analysis into primary or elemental parts. [Archaic] --Bacon.
PrinciplePrinciple Prin"ci*ple, n. [F. principe, L. principium
beginning, foundation, fr. princeps, -cipis. See Prince.]
1. Beginning; commencement. [Obs.]
Doubting sad end of principle unsound. --Spenser.
2. A source, or origin; that from which anything proceeds;
fundamental substance or energy; primordial substance;
ultimate element, or cause. Principle of contradictionContradiction Con`tra*dic"tion, n. [L. contradictio answer,
objection: cf. F. contradiction.]
1. An assertion of the contrary to what has been said or
affirmed; denial of the truth of a statement or assertion;
contrary declaration; gainsaying.
His fair demands Shall be accomplished without
contradiction. --Shak.
2. Direct opposition or repugnancy; inconsistency;
incongruity or contrariety; one who, or that which, is
inconsistent.
can be make deathless death? That were to make
Strange contradiction. --Milton.
We state our experience and then we come to a manly
resolution of acting in contradiction to it.
--Burke.
Both parts of a contradiction can not possibly be
true. --Hobbes.
Of contradictions infinite the slave. --Wordsworth.
Principle of contradiction (Logic), the axiom or law of
thought that a thing cannot be and not be at the same
time, or a thing must either be or not be, or the same
attribute can not at the same time be affirmed and and
denied of the same subject.
Note: It develops itself in three specific forms which have
been called the ``Three Logical Axioms.' First, ``A is
A.' Second, ``A is not Not-A' Third, ``Everything is
either A or Not-A.' Principle of virtual velocitiesVirtual Vir"tu*al (?; 135), a. [Cf. F. virtuel. See Virtue.]
1. Having the power of acting or of invisible efficacy
without the agency of the material or sensible part;
potential; energizing.
Heat and cold have a virtual transition, without
communication of substance. --Bacon.
Every kind that lives, Fomented by his virtual
power, and warmed. --Milton.
2. Being in essence or effect, not in fact; as, the virtual
presence of a man in his agent or substitute.
A thing has a virtual existence when it has all the
conditions necessary to its actual existence.
--Fleming.
To mask by slight differences in the manners a
virtual identity in the substance. --De Quincey.
Principle of virtual velocities (Mech.), the law that when
several forces are in equilibrium, the algebraic sum of
their virtual moments is equal to zero.
Virtual focus (Opt.), the point from which rays, having
been rendered divergent by reflection of refraction,
appear to issue; the point at which converging rays would
meet if not reflected or refracted before they reach it.
Virtual image. (Optics) See under Image.
Virtual moment (of a force) (Mech.), the product of the
intensity of the force multiplied by the virtual velocity
of its point of application; -- sometimes called virtual
work.
Virtual velocity (Mech.), a minute hypothetical
displacement, assumed in analysis to facilitate the
investigation of statical problems. With respect to any
given force of a number of forces holding a material
system in equilibrium, it is the projection, upon the
direction of the force, of a line joining its point of
application with a new position of that point indefinitely
near to the first, to which the point is conceived to have
been moved, without disturbing the equilibrium of the
system, or the connections of its parts with each other.
Strictly speaking, it is not a velocity but a length.
Virtual work. (Mech.) See Virtual moment, above.
Meaning of Princi from wikipedia
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Peter W.
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Henry VII, who if not for his avarice, "mygth have been
pereless of alle
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regnyd ovyr
England syne the tyme of
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Linda Patterson (originally
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Flavio TOSI,
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