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aldol condensationAldol Al"dol, n. [Aldehyde + -ol as in alcohol.] (Chem.)
A colorless liquid, C4H8O2, obtained by condensation of two
molecules of acetaldehyde: CH3CHO + CH3CHO = H3CH(OH)CH2CO;
also, any of various derivatives of this. The same reaction
has been applied, under the name of
aldol condensation, to the production of many compounds. Condensability
Condensability Con*den`sa*bil"i*ty, n.
Capability of being condensed.
Condensable
Condensable Con*den"sa*ble, a. [Cf. F. condensable.]
Capable of being condensed; as, vapor is condensable.
CondensateCondensate Con*den"sate, a. [L. condensatus, p. p. of
condensare. See Condense, v. t.]
Made dense; condensed.
Water . . . thickened or condensate. --Peacham. CondensateCondensate Con*den"sate, v. t. [imp. & p. p. Condensated; p.
pr. & vb. n. Condensating.]
To condense. [R.] --Hammond. CondensatedCondensate Con*den"sate, v. t. [imp. & p. p. Condensated; p.
pr. & vb. n. Condensating.]
To condense. [R.] --Hammond. CondensatingCondensate Con*den"sate, v. t. [imp. & p. p. Condensated; p.
pr. & vb. n. Condensating.]
To condense. [R.] --Hammond. CondensationCondensation Con`den*sa"tion, n. [L. condensatio: cf. F.
condensation.]
1. The act or process of condensing or of being condensed;
the state of being condensed.
He [Goldsmith] was a great and perhaps an unequaled
master of the arts of selection and condensation.
--Macaulay.
2. (Physics) The act or process of reducing, by depression of
temperature or increase of pressure, etc., to another and
denser form, as gas to the condition of a liquid or steam
to water.
3. (Chem.) A rearrangement or concentration of the different
constituents of one or more substances into a distinct and
definite compound of greater complexity and molecular
weight, often resulting in an increase of density, as the
condensation of oxygen into ozone, or of acetone into
mesitylene.
Condensation product (Chem.), a substance obtained by the
polymerization of one substance, or by the union of two or
more, with or without separation of some unimportant side
products.
Surface condensation, the system of condensing steam by
contact with cold metallic surfaces, in distinction from
condensation by the injection of cold water. Condensation productCondensation Con`den*sa"tion, n. [L. condensatio: cf. F.
condensation.]
1. The act or process of condensing or of being condensed;
the state of being condensed.
He [Goldsmith] was a great and perhaps an unequaled
master of the arts of selection and condensation.
--Macaulay.
2. (Physics) The act or process of reducing, by depression of
temperature or increase of pressure, etc., to another and
denser form, as gas to the condition of a liquid or steam
to water.
3. (Chem.) A rearrangement or concentration of the different
constituents of one or more substances into a distinct and
definite compound of greater complexity and molecular
weight, often resulting in an increase of density, as the
condensation of oxygen into ozone, or of acetone into
mesitylene.
Condensation product (Chem.), a substance obtained by the
polymerization of one substance, or by the union of two or
more, with or without separation of some unimportant side
products.
Surface condensation, the system of condensing steam by
contact with cold metallic surfaces, in distinction from
condensation by the injection of cold water. Condensative
Condensative Con*den"sa*tive, a. [Cf. F. condensatif.]
Having the property of condensing.
Condense
Condense Con*dense", v. i.
1. To become more compact; to be reduced into a denser form.
Nitrous acid is gaseous at ordinary temperatures,
but condenses into a very volatile liquid at the
zero of Fahrenheit. --H. Spencer.
2. (Chem.)
(a) To combine or unite (as two chemical substances) with
or without separation of some unimportant side
products.
(b) To undergo polymerization.
CondenseCondense Con*dense", v. t. [imp. & p. p. Condensed; p. pr. &
vb. n. Condensing.] [L. condensare; con- + densare to make
thick or dense, densus thick, dense: cf. F. condenser. See
Dense, and cf. Condensate.]
1. To make more close, compact, or dense; to compress or
concentrate into a smaller compass; to consolidate; to
abridge; to epitomize.
In what shape they choose, Dilated or condensed,
bright or obscure. --Milton.
The secret course pursued at Brussels and at Madrid
may be condensed into the usual formula,
dissimulation, procrastination, and again
dissimulation. --Motley.
2. (Chem. & Physics) To reduce into another and denser form,
as by cold or pressure; as, to condense gas into a liquid
form, or steam into water.
Condensed milk, milk reduced to the consistence of very
thick cream by evaporation (usually with addition of
sugar) for preservation and transportation.
Condensing engine, a steam engine in which the steam is
condensed after having exerted its force on the piston.
Syn: To compress; contract; crowd; thicken; concentrate;
abridge; epitomize; reduce. Condense
Condense Con*dense", a. [L. condensus.]
Condensed; compact; dense. [R.]
The huge condense bodies of planets. --Bentley.
CondensedCondense Con*dense", v. t. [imp. & p. p. Condensed; p. pr. &
vb. n. Condensing.] [L. condensare; con- + densare to make
thick or dense, densus thick, dense: cf. F. condenser. See
Dense, and cf. Condensate.]
1. To make more close, compact, or dense; to compress or
concentrate into a smaller compass; to consolidate; to
abridge; to epitomize.
In what shape they choose, Dilated or condensed,
bright or obscure. --Milton.
The secret course pursued at Brussels and at Madrid
may be condensed into the usual formula,
dissimulation, procrastination, and again
dissimulation. --Motley.
2. (Chem. & Physics) To reduce into another and denser form,
as by cold or pressure; as, to condense gas into a liquid
form, or steam into water.
Condensed milk, milk reduced to the consistence of very
thick cream by evaporation (usually with addition of
sugar) for preservation and transportation.
Condensing engine, a steam engine in which the steam is
condensed after having exerted its force on the piston.
Syn: To compress; contract; crowd; thicken; concentrate;
abridge; epitomize; reduce. Condensed milkMilk Milk, n. [AS. meoluc, meoloc, meolc, milc; akin to
OFries. meloc, D. melk, G. milch, OHG. miluh, Icel. mj?ok,
Sw. mj["o]lk, Dan. melk, Goth. miluks, G. melken to milk,
OHG. melchan, Lith. milszti, L. mulgere, Gr. ?. ????. Cf.
Milch, Emulsion, Milt soft roe of fishes.]
1. (Physiol.) A white fluid secreted by the mammary glands of
female mammals for the nourishment of their young,
consisting of minute globules of fat suspended in a
solution of casein, albumin, milk sugar, and inorganic
salts. ``White as morne milk.' --Chaucer.
2. (Bot.) A kind of juice or sap, usually white in color,
found in certain plants; latex. See Latex.
3. An emulsion made by bruising seeds; as, the milk of
almonds, produced by pounding almonds with sugar and
water.
4. (Zo["o]l.) The ripe, undischarged spat of an oyster.
Condensed milk. See under Condense, v. t.
Milk crust (Med.), vesicular eczema occurring on the face
and scalp of nursing infants. See Eczema.
Milk fever.
(a) (Med.) A fever which accompanies or precedes the first
lactation. It is usually transitory.
(b) (Vet. Surg.) A form puerperal peritonitis in cattle;
also, a variety of meningitis occurring in cows after
calving.
Milk glass, glass having a milky appearance.
Milk knot (Med.), a hard lump forming in the breast of a
nursing woman, due to obstruction to the flow of milk and
congestion of the mammary glands.
Milk leg (Med.), a swollen condition of the leg, usually in
puerperal women, caused by an inflammation of veins, and
characterized by a white appearance occasioned by an
accumulation of serum and sometimes of pus in the cellular
tissue.
Milk meats, food made from milk, as butter and cheese.
[Obs.] --Bailey.
Milk mirror. Same as Escutcheon, 2.
Milk molar (Anat.), one of the deciduous molar teeth which
are shed and replaced by the premolars.
Milk of lime (Chem.), a watery emulsion of calcium hydrate,
produced by macerating quicklime in water.
Milk parsley (Bot.), an umbelliferous plant (Peucedanum
palustre) of Europe and Asia, having a milky juice.
Milk pea (Bot.), a genus (Galactia) of leguminous and,
usually, twining plants.
Milk sickness (Med.), a peculiar malignant disease,
occurring in some parts of the Western United States, and
affecting certain kinds of farm stock (esp. cows), and
persons who make use of the meat or dairy products of
infected cattle. Its chief symptoms in man are
uncontrollable vomiting, obstinate constipation, pain, and
muscular tremors. Its origin in cattle has been variously
ascribed to the presence of certain plants in their food,
and to polluted drinking water.
Milk snake (Zo["o]l.), a harmless American snake
(Ophibolus triangulus, or O. eximius). It is variously
marked with white, gray, and red. Called also milk
adder, chicken snake, house snake, etc.
Milk sugar. (Physiol. Chem.) See Lactose, and Sugar of
milk (below).
Milk thistle (Bot.), an esculent European thistle (Silybum
marianum), having the veins of its leaves of a milky
whiteness.
Milk thrush. (Med.) See Thrush.
Milk tooth (Anat.), one of the temporary first set of teeth
in young mammals; in man there are twenty.
Milk tree (Bot.), a tree yielding a milky juice, as the cow
tree of South America (Brosimum Galactodendron), and the
Euphorbia balsamifera of the Canaries, the milk of both
of which is wholesome food.
Milk vessel (Bot.), a special cell in the inner bark of a
plant, or a series of cells, in which the milky juice is
contained. See Latex.
Rock milk. See Agaric mineral, under Agaric.
Sugar of milk. The sugar characteristic of milk; a hard
white crystalline slightly sweet substance obtained by
evaporation of the whey of milk. It is used in pellets and
powder as a vehicle for homeopathic medicines, and as an
article of diet. See Lactose. Condensed milkCondense Con*dense", v. t. [imp. & p. p. Condensed; p. pr. &
vb. n. Condensing.] [L. condensare; con- + densare to make
thick or dense, densus thick, dense: cf. F. condenser. See
Dense, and cf. Condensate.]
1. To make more close, compact, or dense; to compress or
concentrate into a smaller compass; to consolidate; to
abridge; to epitomize.
In what shape they choose, Dilated or condensed,
bright or obscure. --Milton.
The secret course pursued at Brussels and at Madrid
may be condensed into the usual formula,
dissimulation, procrastination, and again
dissimulation. --Motley.
2. (Chem. & Physics) To reduce into another and denser form,
as by cold or pressure; as, to condense gas into a liquid
form, or steam into water.
Condensed milk, milk reduced to the consistence of very
thick cream by evaporation (usually with addition of
sugar) for preservation and transportation.
Condensing engine, a steam engine in which the steam is
condensed after having exerted its force on the piston.
Syn: To compress; contract; crowd; thicken; concentrate;
abridge; epitomize; reduce. Condenser
Condenser Con*dens"er, n.
1. One who, or that which, condenses.
2. (Physic)
(a) An instrument for condensing air or other elastic
fluids, consisting of a cylinder having a movable
piston to force the air into a receiver, and a valve
to prevent its escape.
(b) An instrument for concentrating electricity by the
effect of induction between conducting plates
separated by a nonconducting plate.
(c) A lens or mirror, usually of short focal distance,
used to concentrate light upon an object.
Condensible
Condensible Con*den"si*ble, a.
Capable of being condensed; as, a gas condensible to a liquid
by cold.
CondensingCondense Con*dense", v. t. [imp. & p. p. Condensed; p. pr. &
vb. n. Condensing.] [L. condensare; con- + densare to make
thick or dense, densus thick, dense: cf. F. condenser. See
Dense, and cf. Condensate.]
1. To make more close, compact, or dense; to compress or
concentrate into a smaller compass; to consolidate; to
abridge; to epitomize.
In what shape they choose, Dilated or condensed,
bright or obscure. --Milton.
The secret course pursued at Brussels and at Madrid
may be condensed into the usual formula,
dissimulation, procrastination, and again
dissimulation. --Motley.
2. (Chem. & Physics) To reduce into another and denser form,
as by cold or pressure; as, to condense gas into a liquid
form, or steam into water.
Condensed milk, milk reduced to the consistence of very
thick cream by evaporation (usually with addition of
sugar) for preservation and transportation.
Condensing engine, a steam engine in which the steam is
condensed after having exerted its force on the piston.
Syn: To compress; contract; crowd; thicken; concentrate;
abridge; epitomize; reduce. Condensing engineCondense Con*dense", v. t. [imp. & p. p. Condensed; p. pr. &
vb. n. Condensing.] [L. condensare; con- + densare to make
thick or dense, densus thick, dense: cf. F. condenser. See
Dense, and cf. Condensate.]
1. To make more close, compact, or dense; to compress or
concentrate into a smaller compass; to consolidate; to
abridge; to epitomize.
In what shape they choose, Dilated or condensed,
bright or obscure. --Milton.
The secret course pursued at Brussels and at Madrid
may be condensed into the usual formula,
dissimulation, procrastination, and again
dissimulation. --Motley.
2. (Chem. & Physics) To reduce into another and denser form,
as by cold or pressure; as, to condense gas into a liquid
form, or steam into water.
Condensed milk, milk reduced to the consistence of very
thick cream by evaporation (usually with addition of
sugar) for preservation and transportation.
Condensing engine, a steam engine in which the steam is
condensed after having exerted its force on the piston.
Syn: To compress; contract; crowd; thicken; concentrate;
abridge; epitomize; reduce. Ejector condenserEjector E*ject"or, n.
1. One who, or that which, ejects or dispossesses.
2. (Mech.) A jet jump for lifting water or withdrawing air
from a space.
Ejector condenser (Steam Engine), a condenser in which the
vacuum is maintained by a jet pump. Incondensability
Incondensability In`con*den`sa*bil"i*ty, Incondensibility
In`con*den`si*bil"i*ty, n.
The quality or state of being incondensable.
Incondensable
Incondensable In`con*den"sa*ble, Incondensible
In`con*den"si*ble, a.
Not condensable; incapable of being made more dense or
compact, or reduced to liquid form.
Incondensibility
Incondensability In`con*den`sa*bil"i*ty, Incondensibility
In`con*den`si*bil"i*ty, n.
The quality or state of being incondensable.
Incondensible
Incondensable In`con*den"sa*ble, Incondensible
In`con*den"si*ble, a.
Not condensable; incapable of being made more dense or
compact, or reduced to liquid form.
incondensible or incoercible gasesPermanent Per"ma*nent, a. [L. permanens, -entis, p. pr. of
permanere to stay or remain to the end, to last; per + manere
to remain: cf. F. permanent. See Per-, and Mansion.]
Continuing in the same state, or without any change that
destroys form or character; remaining unaltered or unremoved;
abiding; durable; fixed; stable; lasting; as, a permanent
impression.
Eternity stands permanent and fixed. --Dryden.
Permanent gases (Chem. & Physics), hydrogen, oxygen,
nitrogen, and carbon monoxide; -- also called
incondensible or incoercible gases, before their
liquefaction in 1877. Injection condenserInjection In*jec"tion, n. [L. injectio : cf.F. injection.]
1. The act of injecting or throwing in; -- applied
particularly to the forcible throwing in of a liquid, or
a["e]riform body, by means of a syringe, pump, etc.
2. That which is injected; especially, a liquid medicine
thrown into a cavity of the body by a syringe or pipe; a
clyster; an enema. --Mayne.
3. (Anat.)
(a) The act or process of filling vessels, cavities, or
tissues with a fluid or other substance.
(b) A specimen prepared by injection.
4. (Steam Eng.)
(a) The act of throwing cold water into a condenser to
produce a vacuum.
(b) The cold water thrown into a condenser.
Injection cock, or Injection valve (Steam Eng.), the cock
or valve through which cold water is admitted into a
condenser.
Injection condenser. See under Condenser.
Injection pipe, the pipe through which cold water is
through into the condenser of a steam engine. Noncondensible
Noncondensible Non`con*den"si*ble, a.
Not condensible; incapable of being liquefied; -- said of
gases.
Noncondensing
Noncondensing Non`con*dens"ing, a. (Steam Engine)
Not condensing; discharging the steam from the cylinder at a
pressure nearly equal to or above that of the atmosphere and
not into a condenser.
Recondensation
Recondensation Re*con`den*sa"tion (r?*k?n`d?n*s?"sh?n), n.
The act or process of recondensing.
Meaning of Condens from wikipedia
