Definition of si. Meaning of si. Synonyms of si

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Definition of si

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Actual sin
Actual Ac"tu*al (#; 135), a. [OE. actuel, F. actuel, L. actualis, fr. agere to do, act.] 1. Involving or comprising action; active. [Obs.] Her walking and other actual performances. --Shak. Let your holy and pious intention be actual; that is . . . by a special prayer or action, . . . given to God. --Jer. Taylor. 2. Existing in act or reality; really acted or acting; in fact; real; -- opposed to potential, possible, virtual, speculative, conceivable, theoretical, or nominal; as, the actual cost of goods; the actual case under discussion. 3. In action at the time being; now exiting; present; as the actual situation of the country. Actual cautery. See under Cautery. Actual sin (Theol.), that kind of sin which is done by ourselves in contradistinction to ``original sin.' Syn: Real; genuine; positive; certain. See Real.
Aerial sickness
Aerial sickness A*["e]"ri*al sick"ness A sickness felt by a["e]ronauts due to high speed of flights and rapidity in changing altitudes, combining some symptoms of mountain sickness and some of seasickness.
Agave sisalana
Hemp Hemp (h[e^]mp), n. [OE. hemp, AS. henep, h[ae]nep; akin to D. hennep, OHG. hanaf, G. hanf, Icel. hampr, Dan. hamp, Sw. hampa, L. cannabis, cannabum, Gr. ka`nnabis, ka`nnabos; cf. Russ. konoplia, Skr. [,c]a[.n]a; all prob. borrowed from some other language at an early time. Cf. Cannabine, Canvas.] 1. (Bot.) A plant of the genus Cannabis (C. sativa), the fibrous skin or bark of which is used for making cloth and cordage. The name is also applied to various other plants yielding fiber. 2. The fiber of the skin or rind of the plant, prepared for spinning. The name has also been extended to various fibers resembling the true hemp. African hemp, Bowstring hemp. See under African, and Bowstring. Bastard hemp, the Asiatic herb Datisca cannabina. Canada hemp, a species of dogbane (Apocynum cannabinum), the fiber of which was used by the Indians. Hemp agrimony, a coarse, composite herb of Europe (Eupatorium cannabinum), much like the American boneset. Hemp nettle, a plant of the genus Galeopsis (G. Tetrahit), belonging to the Mint family. Indian hemp. See under Indian, a. Manila hemp, the fiber of Musa textilis. Sisal hemp, the fiber of Agave sisalana, of Mexico and Yucatan. Sunn hemp, a fiber obtained from a leguminous plant (Crotalaria juncea). Water hemp, an annual American weed (Acnida cannabina), related to the amaranth.
Ale silver
Ale silver Ale" sil`ver A duty payable to the lord mayor of London by the sellers of ale within the city.
American silkworm
Polyphemus Pol`y*phe"mus, n. [L. Polyphemus the one-eyed Cyclops who was blinded by Ulysses.] (Zo["o]l.) A very large American moth (Telea polyphemus) belonging to the Silkworm family (Bombycid[ae]). Its larva, which is very large, bright green, with silvery tubercles, and with oblique white stripes on the sides, feeds on the oak, chestnut, willow, cherry, apple, and other trees. It produces a large amount of strong silk. Called also American silkworm.
American silver fir
Silver Sil"ver, a. 1. Of or pertaining to silver; made of silver; as, silver leaf; a silver cup. 2. Resembling silver. Specifically: (a) Bright; resplendent; white. ``Silver hair.' --Shak. Others, on silver lakes and rivers, bathed Their downy breast. --Milton. (b) Precious; costly. (c) Giving a clear, ringing sound soft and clear. ``Silver voices.' --Spenser. (d) Sweet; gentle; peaceful. ``Silver slumber.' --Spenser. American silver fir (Bot.), the balsam fir. See under Balsam. Silver age (Roman Lit.), the latter part (a. d. 14-180) of the classical period of Latinity, -- the time of writers of inferior purity of language, as compared with those of the previous golden age, so-called. Silver-bell tree (Bot.), an American shrub or small tree (Halesia tetraptera) with white bell-shaped flowers in clusters or racemes; the snowdrop tree. Silver bush (Bot.), a shrubby leguminous plant (Anthyllis Barba-Jovis) of Southern Europe, having silvery foliage. Silver chub (Zo["o]l.), the fallfish. Silver eel. (Zo["o]l.) (a) The cutlass fish. (b) A pale variety of the common eel. Silver fir (Bot.), a coniferous tree (Abies pectinata) found in mountainous districts in the middle and south of Europe, where it often grows to the height of 100 or 150 feet. It yields Burgundy pitch and Strasburg turpentine. Silver foil, foil made of silver. Silver fox (Zo["o]l.), a variety of the common fox (Vulpes vulpes, variety argenteus) found in the northern parts of Asia, Europe, and America. Its fur is nearly black, with silvery tips, and is highly valued. Called also black fox, and silver-gray fox. Silver gar. (Zo["o]l.) See Billfish (a) . Silver grain (Bot.), the lines or narrow plates of cellular tissue which pass from the pith to the bark of an exogenous stem; the medullary rays. In the wood of the oak they are much larger than in that of the beech, maple, pine, cherry, etc. Silver grebe (Zo["o]l.), the red-throated diver. See Illust. under Diver. Silver hake (Zo["o]l.), the American whiting. Silver leaf, leaves or sheets made of silver beaten very thin. Silver lunge (Zo["o]l.), the namaycush. Silver moonfish.(Zo["o]l.) See Moonfish (b) . Silver moth (Zo["o]l.), a lepisma. Silver owl (Zo["o]l.), the barn owl. Silver perch (Zo["o]l.), the mademoiselle, 2. Silver pheasant (Zo["o]l.), any one of several species of beautiful crested and long-tailed Asiatic pheasants, of the genus Euplocamus. They have the tail and more or less of the upper parts silvery white. The most common species (E. nychtemerus) is native of China. Silver plate, domestic utensils made of silver.
American siskin
Pinefinch Pine"finch`, n. (Zo["o]l.) (a) A small American bird (Spinus, or Chrysomitris, spinus); -- called also pine siskin, and American siskin. (b) The pine grosbeak.
Arithmetic of sines
Arithmetic A*rith"me*tic, n. [OE. arsmetike, OF. arismetique, L. arithmetica, fr. Gr. ? (sc. ?), fr. ? arithmetical, fr. ? to number, fr. ? number, prob. fr. same root as E. arm, the idea of counting coming from that of fitting, attaching. See Arm. The modern Eng. and French forms are accommodated to the Greek.] 1. The science of numbers; the art of computation by figures. 2. A book containing the principles of this science. Arithmetic of sines, trigonometry. Political arithmetic, the application of the science of numbers to problems in civil government, political economy, and social science. Universal arithmetic, the name given by Sir Isaac Newton to algebra.
Arsenical silver
Arsenical Ar*sen"ic*al, a. Of or pertaining to, or containing, arsenic; as, arsenical vapor; arsenical wall papers. Arsenical silver, an ore of silver containing arsenic.
Artificial sines
Sine Sine, n. [LL. sinus a sine, L. sinus bosom, used in translating the Ar. jaib, properly, bosom, but probably read by mistake (the consonants being the same) for an original j[=i]ba sine, from Skr. j[=i]va bowstring, chord of an arc, sine.] (Trig.) (a) The length of a perpendicular drawn from one extremity of an arc of a circle to the diameter drawn through the other extremity. (b) The perpendicular itself. See Sine of angle, below. Artificial sines, logarithms of the natural sines, or logarithmic sines. Curve of sines. See Sinusoid. Natural sines, the decimals expressing the values of the sines, the radius being unity. Sine of an angle, in a circle whose radius is unity, the sine of the arc that measures the angle; in a right-angled triangle, the side opposite the given angle divided by the hypotenuse. See Trigonometrical function, under Function. Versed sine, that part of the diameter between the sine and the arc.
Artificial sines
Artificial Ar`ti*fi"cial, a. [L. artificialis, fr. artificium: cf. F. artificiel. See Artifice.] 1. Made or contrived by art; produced or modified by human skill and labor, in opposition to natural; as, artificial heat or light, gems, salts, minerals, fountains, flowers. Artificial strife Lives in these touches, livelier than life. --Shak. 2. Feigned; fictitious; assumed; affected; not genuine. ``Artificial tears.' --Shak. 3. Artful; cunning; crafty. [Obs.] --Shak. 4. Cultivated; not indigenous; not of spontaneous growth; as, artificial grasses. --Gibbon. Artificial arguments (Rhet.), arguments invented by the speaker, in distinction from laws, authorities, and the like, which are called inartificial arguments or proofs. --Johnson. Artificial classification (Science), an arrangement based on superficial characters, and not expressing the true natural relations species; as, ``the artificial system' in botany, which is the same as the Linn[ae]an system. Artificial horizon. See under Horizon. Artificial light, any light other than that which proceeds from the heavenly bodies. Artificial lines, lines on a sector or scale, so contrived as to represent the logarithmic sines and tangents, which, by the help of the line of numbers, solve, with tolerable exactness, questions in trigonometry, navigation, etc. Artificial numbers, logarithms. Artificial person (Law). See under Person. Artificial sines, tangents, etc., the same as logarithms of the natural sines, tangents, etc. --Hutton.
At sight
Sight Sight, n. [OE. sight, si?t, siht, AS. siht, gesiht, gesih?, gesieh?, gesyh?; akin to D. gezicht, G. sicht, gesicht, Dan. sigte, Sw. sigt, from the root of E. see. See See, v. t.] 1. The act of seeing; perception of objects by the eye; view; as, to gain sight of land. A cloud received him out of their sight. --Acts. i. 9. 2. The power of seeing; the faculty of vision, or of perceiving objects by the instrumentality of the eyes. Thy sight is young, And thou shalt read when mine begin to dazzle. --Shak. O loss of sight, of thee I most complain! --Milton. 3. The state of admitting unobstructed vision; visibility; open view; region which the eye at one time surveys; space through which the power of vision extends; as, an object within sight. 4. A spectacle; a view; a show; something worth seeing. Moses said, I will now turn aside and see this great sight, why the bush is not burnt. --Ex. iii. 3. They never saw a sight so fair. --Spenser. 5. The instrument of seeing; the eye. Why cloud they not their sights? --Shak. 6. Inspection; examination; as, a letter intended for the sight of only one person. 7. Mental view; opinion; judgment; as, in their sight it was harmless. --Wake. That which is highly esteemed among men is abomination in the sight of God. --Luke xvi. 15. 8. A small aperture through which objects are to be seen, and by which their direction is settled or ascertained; as, the sight of a quadrant. Thier eyes of fire sparking through sights of steel. --Shak. 9. A small piece of metal, fixed or movable, on the breech, muzzle, center, or trunnion of a gun, or on the breech and the muzzle of a rifle, pistol, etc., by means of which the eye is guided in aiming. --Farrow. 10. In a drawing, picture, etc., that part of the surface, as of paper or canvas, which is within the frame or the border or margin. In a frame or the like, the open space, the opening. 11. A great number, quantity, or sum; as, a sight of money. [Now colloquial] Note: Sight in this last sense was formerly employed in the best usage. ``A sight of lawyers.' --Latimer. A wonder sight of flowers. --Gower. At sight, as soon as seen, or presented to sight; as, a draft payable at sight: to read Greek at sight; to shoot a person at sight. Front sight (Firearms), the sight nearest the muzzle. Open sight. (Firearms) (a) A front sight through which the objects aimed at may be seen, in distinction from one that hides the object. (b) A rear sight having an open notch instead of an aperture. Peep sight, Rear sight. See under Peep, and Rear. Sight draft, an order, or bill of exchange, directing the payment of money at sight. To take sight, to take aim; to look for the purpose of directing a piece of artillery, or the like. Syn: Vision; view; show; spectacle; representation; exhibition.
at sixes and sevens
Six Six, n. 1. The number greater by a unit than five; the sum of three and three; six units or objects. 2. A symbol representing six units, as 6, vi., or VI. To be at six and seven or at sixes and sevens, to be in disorder. --Bacon. Shak. Swift.
Atelodus or Rhinoceros simus
Umhofo Um*ho"fo, n. (Zo["o]l.) An African two-horned rhinoceros (Atelodus, or Rhinoceros, simus); -- called also chukuru, and white rhinoceros.
Atelodus simus
Mahoohoo Ma*hoo"hoo, n. (Zo["o]l.) The African white two-horned rhinoceros (Atelodus simus).
Austral signs
Austral Aus"tral, a. [L. australis, fr. auster: cf. F. austral.] Southern; lying or being in the south; as, austral land; austral ocean. Austral signs (Astron.), the last six signs of the zodiac, or those south of the equator.
Autumnal signs
Autumnal Au*tum"nal, a. [L. auctumnalis, autumnalis: cf. F. automnal.] 1. Of, belonging to, or peculiar to, autumn; as, an autumnal tint; produced or gathered in autumn; as, autumnal fruits; flowering in autumn; as, an autumnal plant. Thick as autumnal leaves that strow the brooks In Vallombrosa. --Milton. 2. Past the middle of life; in the third stage. An autumnal matron. --Hawthorne. Autumnal equinox, the time when the sun crosses the equator, as it proceeds southward, or when it passes the autumnal point. Autumnal point, the point of the equator intersected by the ecliptic, as the sun proceeds southward; the first point of Libra. Autumnal signs, the signs Libra, Scorpio, and Sagittarius, through which the sun passes between the autumnal equinox and winter solstice.
B Sieboldii
Right whale Right" whale` (Zo["o]l.) (a) The bowhead, Arctic, or Greenland whale (Bal[ae]na mysticetus), from whose mouth the best whalebone is obtained. (b) Any other whale that produces valuable whalebone, as the Atlantic, or Biscay, right whale (Bal[ae]na cisarctica), and the Pacific right whale (B. Sieboldii); a bone whale. Pygmy right whale (Zo["o]l.), a small New Zealand whale (Neobal[ae]na marginata) which is only about sixteen feet long. It produces short, but very elastic and tough, whalebone.
Bathymaster signatus
Ronchil Ron"chil, n. [Cf. Sp. ronquillo slightly hoarse.] (Zo["o]l.) An American marine food fish (Bathymaster signatus) of the North Pacific coast, allied to the tilefish. [Written also ronquil.]
Bend sinister
Bend Bend, n. [AS. bend. See Band, and cf. the preceding noun.] 1. A band. [Obs.] --Spenser. 2. [OF. bende, bande, F. bande. See Band.] (Her.) One of the honorable ordinaries, containing a third or a fifth part of the field. It crosses the field diagonally from the dexter chief to the sinister base. Bend sinister (Her.), an honorable ordinary drawn from the sinister chief to the dexter base.
black silver
Stephanite Steph"an*ite, n. [So named after the Archduke Stephan, mining director of Austria.] (Min.) A sulphide of antimony and silver of an iron-black color and metallic luster; called also black silver, and brittle silver ore.
Blind side
Blind Blind, a. [AS.; akin to D., G., OS., Sw., & Dan. blind, Icel. blindr, Goth. blinds; of uncertain origin.] 1. Destitute of the sense of seeing, either by natural defect or by deprivation; without sight. He that is strucken blind can not forget The precious treasure of his eyesight lost. --Shak. 2. Not having the faculty of discernment; destitute of intellectual light; unable or unwilling to understand or judge; as, authors are blind to their own defects. But hard be hardened, blind be blinded more, That they may stumble on, and deeper fall. --Milton. 3. Undiscerning; undiscriminating; inconsiderate. This plan is recommended neither to blind approbation nor to blind reprobation. --Jay. 4. Having such a state or condition as a thing would have to a person who is blind; not well marked or easily discernible; hidden; unseen; concealed; as, a blind path; a blind ditch. 5. Involved; intricate; not easily followed or traced. The blind mazes of this tangled wood. --Milton. 6. Having no openings for light or passage; as, a blind wall; open only at one end; as, a blind alley; a blind gut. 7. Unintelligible, or not easily intelligible; as, a blind passage in a book; illegible; as, blind writing. 8. (Hort.) Abortive; failing to produce flowers or fruit; as, blind buds; blind flowers. Blind alley, an alley closed at one end; a cul-de-sac. Blind axle, an axle which turns but does not communicate motion. --Knight. Blind beetle, one of the insects apt to fly against people, esp. at night. Blind cat (Zo["o]l.), a species of catfish (Gronias nigrolabris), nearly destitute of eyes, living in caverns in Pennsylvania. Blind coal, coal that burns without flame; anthracite coal. --Simmonds. Blind door, Blind window, an imitation of a door or window, without an opening for passage or light. See Blank door or window, under Blank, a. Blind level (Mining), a level or drainage gallery which has a vertical shaft at each end, and acts as an inverted siphon. --Knight. Blind nettle (Bot.), dead nettle. See Dead nettle, under Dead. Blind shell (Gunnery), a shell containing no charge, or one that does not explode. Blind side, the side which is most easily assailed; a weak or unguarded side; the side on which one is least able or disposed to see danger. --Swift. Blind snake (Zo["o]l.), a small, harmless, burrowing snake, of the family Typhlopid[ae], with rudimentary eyes. Blind spot (Anat.), the point in the retina of the eye where the optic nerve enters, and which is insensible to light. Blind tooling, in bookbinding and leather work, the indented impression of heated tools, without gilding; -- called also blank tooling, and blind blocking. Blind wall, a wall without an opening; a blank wall.
Block signal
Block signal Block signal (Railroads) One of the danger signals or safety signals which guide the movement of trains in a block system. The signal is often so coupled with a switch that act of opening or closing the switch operates the signal also.
Bon Silene
Silene Si*le"ne, n. [NL., fr. L. Silenus, the attendant of Bacchus.] (Bot.) A genus of caryophyllaceous plants, usually covered with a viscid secretion by which insects are caught; catchfly. Bon Sil[`e]ne. See Sil[`e]ne, in the Vocabulary.
Bon Silene
Bon Silene Bon" Si`l[`e]ne" [F.] (Bot.) A very fragrant tea rose with petals of various shades of pink.
Bookkeeping by single entry
Bookkeeping Book"keep`ing, n. The art of recording pecuniary or business transactions in a regular and systematic manner, so as to show their relation to each other, and the state of the business in which they occur; the art of keeping accounts. The books commonly used are a daybook, cashbook, journal, and ledger. See Daybook, Cashbook, Journal, and Ledger. Bookkeeping by single entry, the method of keeping books by carrying the record of each transaction to the debit or credit of a single account. Bookkeeping by double entry, a mode of bookkeeping in which two entries of every transaction are carried to the ledger, one to the Dr., or left hand, side of one account, and the other to the Cr., or right hand, side of a corresponding account, in order tha? the one entry may check the other; -- sometimes called, from the place of its origin, the Italian method.
Breech sight
Breech sight Breech" sight` A device attached to the breech of a firearm, to guide the eye, in conjunction with the front sight, in taking aim.
brittle silver ore
Stephanite Steph"an*ite, n. [So named after the Archduke Stephan, mining director of Austria.] (Min.) A sulphide of antimony and silver of an iron-black color and metallic luster; called also black silver, and brittle silver ore.
Brittle silver ore
. Farewell, thou pretty, brittle piece Of fine-cut crystal. --Cotton. Brittle silver ore, the mineral stephanite.
Brook silversides
Silversides Sil"ver*sides`, n. (Zo["o]l.) Any one of several species of small fishes of the family Atherinid[ae], having a silvery stripe along each side of the body. The common species of the American coast (Menidia notata) is very abundant. Called also silverside, sand smelt, friar, tailor, and tinker. Brook silversides (Zo["o]l.), a small fresh-water North American fish (Labadesthes sicculus) related to the marine silversides.

Meaning of si from wikipedia

- Look up Si, si, SI, or Appendix:Variations of "si" in Wiktionary, the free dictionary. SI is the International System of Units. SI, Si, or si may also...
- International System of Units, internationally known by the abbreviation SI (from French Système international d'unités), is the modern form of the metric...
- Sí Bheag, Sí Mhór (traditional feminine form, the alternative masculine form being "Sí Beag, Sí Mór"), anglicized as Sheebeg, Sheemore, is a traditional...
- Look up sì in Wiktionary, the free dictionary. Sì may refer to: Sì (dessert), a traditional Chinese dessert Sì (operetta), a 1919 operetta in three acts...
- "Para Vigo me voy", known in English as "Say Si Si", is a po****r song written in 1935 by Cuban composer Ernesto Lecuona with lyrics by Francia Luban...
- characters in Chinese. Depending on the character, it may be spelled Sī, Sí, Sǐ, or Sì when tone diacritics are used. In Wade–Giles they are romanized as...
- .si is the Internet country code top-level domain (ccTLD) for Slovenia. It is administered by the ARNES, the Academic and Research Network of Slovenia...
- Silas Merritt "Si" Robertson (born April 27, 1948), often referred to as "Uncle Si", is an American television personality, veteran, and a retired reed...
- Aos sí (pronounced [iːsˠ ˈʃiː]; English approximation: /iːs ˈʃiː/ eess SHEE; older form: aes sídhe [eːsˠ ˈʃiːə]) is the Irish name for a supernatural race...
- 116.6536111°E / 35.2252806; 116.6536111 The Si River (Chinese: 泗河, pinyin: Sì Hé; formerly 泗水, pinyin: Sì Shuǐ) is a river in Shandong Province, eastern...