Webster's Unabridged Dictionary - Letter S - Page 80
Silhouette (n.) (pl. -s) [C] （淺色背景上的）黑色輪廓像；（用黑紙剪成的）側面影像；剪影；輪廓 A representation of the outlines of an object filled in with a black color; a profile portrait in black, such as a shadow appears to be.
Silhouette (v. t.) 把……畫成側面影像；使現出輪廓 [（+on/ against）] To represent by a silhouette; to project upon a background, so as to be like a silhouette. [Recent]
A flock of roasting vultures silhouetted on the sky. -- The Century.
Silhouette (n.) An outline of a solid object (as cast by its shadow).
Silhouette (n.) A drawing of the outline of an object; filled in with some uniform color.
Silhouette (v.) Project on a background, such as a screen, like a Silhouette.
Silhouette (v.) Represent by a silhouette.
Silhouette (n.) [C or U] 剪影；逆光黑影；輪廓 A dark shape seen against a light surface.
// The silhouette of the bare tree on the hill was clear against the winter sky.
Silica (n.) (Chem.) 【礦】矽土，二氧化矽 [U] Silicon dioxide, SiO2. It constitutes ordinary quartz (also opal and tridymite), and is artifically prepared as a very fine, white, tasteless, inodorous powder.
Silica (n.) A white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechatelierite [syn: {silica}, {silicon oxide}, {silicon dioxide}].
Silicate (n.) (Chem.) A salt of silicic acid.
Note: In mineralogical chemistry the silicates include; the unisilicates or orthosilicates, salts of orthosilicic acid; the bisilicates or metasilicates, salts of metasilicic acid; the polysilicates or acid silicates, salts of the polysilicic acids; the basic silicates or subsilicates, in which the equivalent of base is greater than would be required to neutralize the acid; and the hydrous silicates, including the zeolites and many hydrated decomposition products.
Silicate (n.) A salt or ester derived from silicic acid.
Silicated (a.) (Chem.) Combined or impregnated with silicon or silica; as, silicated hydrogen; silicated rocks.
Silicated soap, A hard soap containing silicate of soda.
Silicatization (n.) Silicification.
Silicea (n. pl.) [NL.] (Zool.) Same as Silicoidea.
Siliceous (a.) Of or pertaining to silica; containing silica, or partaking of its nature. [Written also silisious.]
Siliceous (a.) Relating to or containing or resembling silica; "gritrock is siliceous sandstone" [syn: siliceous, silicious].
Silicic (a.) (Chem.) Pertaining to, derived from, or resembling, silica; specifically, designating compounds of silicon; as, silicic acid.
Silicic acid (Chem.), An amorphous gelatinous substance, Si(HO)4, very unstable and easily dried to silica, but forming many stable salts; -- called also orthosilicic acid or normal silicic acid.
Silicicalcareous (a.) Consisting of silica and calcareous matter.
Silicide (n.) (Chem.) A binary compound of silicon, or one regarded as binary.
Hydrogen silicide (Chem.), A colorless, spontaneously inflammable gas, SiH4, produced artifically from silicon, and analogous to methane; -- called also silico-methane, silicon hydride, and formerly siliciureted hydrogen.
Silicide (n.) Any of various compounds of silicon with a more electropositive element or radical.
Siliciferous (a.) Producing silica; united with silica.
Silicification (n.) (Chem.) Thae act or process of combining or impregnating with silicon or silica; the state of being so combined or impregnated; as, the silicification of wood.
Compare: Thae
Thae, () Chiefly Scottish variant of Those.
Thae, () Chiefly Scottish variant of These.
Silicified (a.) (Chem.) Combined or impregnated with silicon or silica, especially the latter; as, silicified wood.
Silicified (imp. & p. p.) of Silicify.
Silicifying (p. pr. & vb. n.) of Silicify.
Silicify (v. t.) (Chem.) To convert into, or to impregnate with, silica, or with the compounds of silicon.
The specimens found . . . are completely silicified. -- Say.
Note: The silica may take the form of agate, chalcedony, flint, hornstone, or crystalline quartz.
Silicify (v. i.) To become converted into silica, or to be impregnated with silica.
Silicioidea (n. pl.) (Zool.) Same as Silicoidea.
Silicious (a.) See Siliceous.
Silicious (a.) Relating to or containing or resembling silica; "gritrock is siliceous sandstone" [syn: siliceous, silicious].
Silicispongiae (n. pl.) (Zool.) Same as Silicoidea.
Silicited (a.) Silicified. [Obs.]
Compare: Silicon
Silicon (n.) [See Silica.] (Chem.) A nonmetalic element analogous to carbon. It always occurs combined in nature, and is artificially obtained in the free state, usually as a dark brown amorphous powder, or as a dark crystalline substance with a meetallic luster. Its oxide is silica, or common quartz, and in this form, or as silicates, it is, next to oxygen, the most abundant element of the earth's crust. Silicon is characteristically the element of the mineral kingdom, as carbon is of the organic world. Symbol Si. Atomic weight 28. Called also silicium.
Silicium (n.) See Silicon.
Siliciureted (a.) (Old. Chem.) Combined or impregnated with silicon. [Obsoles.]
Siliciureted hydrogen. (Chem.) Hydrogen silicide. [Obs.]
Silicle (n.) (Bot.) A seed vessel resembling a silique, but about as broad as it is long. See Silique.
Silicle (n.) Short broad silique occurring in some cruciferous plants.
Silico- () (Chem.) A combining form (also used adjectively) denoting the presence of silicon or its compounds; as, silicobenzoic, silicofluoride, etc.
Silicofluoric (a.) (Chem.) Containing, or composed of, silicon and fluorine; especially, denoting the compounds called silicofluorides.
Silicofluoric acid (Chem.), A compound of hydrofluoric acid and silicon fluoride, known only in watery solution. It is produced by the action of silicon fluoride on water, and is regarded as an acid, H2SiF6, and the type and origin of the silicofluorides.
Compare: Fluosilicate
Fluosilicate (n.) (Chem.) A double fluoride of silicon and some other (usually basic) element or radical, regarded as a salt of fluosilicic acid; -- called also silicofluoride.
Silicofluoride (n.) (Chem.) A fluosilicate; a salt of silicofluoric acid.
Silicoidea (n. pl.) An extensive order of Porifera, which includes those that have the skeleton composed mainly of siliceous fibers or spicules.
Silicon (n.) A nonmetalic element analogous to carbon. It always occurs combined in nature, and is artificially obtained in the free state, usually as a dark brown amorphous powder, or as a dark crystalline substance with a meetallic luster. Its oxide is silica, or common quartz, and in this form, or as silicates, it is, next to oxygen, the most abundant element of the earth's crust. Silicon is characteristically the element of the mineral kingdom, as carbon is of the organic world. Symbol Si. Atomic weight 28. Called also silicium.
Silicotungstic (a.) Of, pertaining to, or designating, any one of a series of double acids of silicon and tungsten, known in the free state, and also in their salts (called silicotungstates).
Silicula (n.) [L.] (Bot.) A silicle.
Silicule (n.) (Bot.) A silicle.
Siliculose (a.) (Bot.) Bearing silicles; pertaining to, or resembling, silicles.
Siliculose (a.) Full of, or consisting of, husks; husky. [Obs.]
Siliginose (a.) Made of fine wheat. [Obs.] -- Bailey.
Siling (a. & n. from Sile to strain.) [Obs. or Prov. Eng.]
Siling dish, A colander. [Obs. or Prov. Eng.]
Siliquae (n. pl. ) of Siliqua.
Siliqua (n.) (Bot.) Same as Silique.
Siliqua (n.) A weight of four grains; a carat; -- a term used by jewelers, and refiners of gold.
Silique (n.) (Bot.) An oblong or elongated seed vessel, consisting of two valves with a dissepiment between, and opening by sutures at either margin. The seeds are attached to both edges of the dissepiment, alternately upon each side of it.
Silique (n.) Narrow elongated seed capsule peculiar to the family Cruciferae [syn: silique, siliqua].
Siliquiform (a.) (Bot.) Having the form of a silique.
Siliquosa (n. pl.) (Bot.) A Linnaean order of plants including those which bear siliques. Siliquose
Siliquose (a.) Alt. of Siliquous.
Siliquous (a.) (Bot.) Bearing siliques; as, siliquose plants; pertaining to, or resembling, siliques; as, siliquose capsules.
Silk (n.) The fine, soft thread produced by various species of caterpillars in forming the cocoons within which the worm is inclosed during the pupa state, especially that produced by the larvae of Bombyx mori.
Silk (n.) Hence, thread spun, or cloth woven, from the above-named material.
Silk (n.) That which resembles silk, as the filiform styles of the female flower of maize.
Raw silk, Silk as it is wound off from the cocoons, and before it is manufactured.
Silk cotton, A cottony substance enveloping the seeds of the silk-cotton tree.
Silk-cotton tree (Bot.), A name for several tropical trees of the genera Bombax and Eriodendron, and belonging to the order Bombaceae. The trees grow to an immense size, and have their seeds enveloped in a cottony substance, which is used for stuffing cushions, but can not be spun.
Silk flower. (Bot.) (a) The silk tree.
Silk flower. (Bot.) (b) A similar tree ({Calliandra trinervia) of Peru.
Silk fowl (Zool.), A breed of domestic fowls having silky plumage.
Silk gland (Zool.), A gland which secretes the material of silk, as in spider or a silkworm; a sericterium.
Silk gown, The distinctive robe of a barrister who has been appointed king's or queen's counsel; hence, the counsel himself. Such a one has precedence over mere barristers, who wear stuff gowns. [Eng.]
Silk grass (Bot.), A kind of grass ({Stipa+comata"> Silk grass (Bot.), a kind of grass ({Stipa comata) of the Western United States, which has very long silky awns. The name is also sometimes given to various species of the genera Aqave and Yucca.
Silk moth (Zool.), The adult moth of any silkworm. See Silkworm.
Silk shag, A coarse, rough-woven silk, like plush, but with a stiffer nap.
Silk spider (Zool.), A large spider ({Nephila+plumipes"> Silk spider (Zool.), a large spider ({Nephila plumipes), native of the Southern United States, remarkable for the large quantity of strong silk it produces and for the great disparity in the sizes of the sexes.
Silk thrower, Silk throwster, One who twists or spins silk, and prepares it for weaving. -- Brande & C.
Silk tree (Bot.), An Asiatic leguminous tree ({Albizzia Julibrissin) with finely bipinnate leaves, and large flat pods; -- so called because of the abundant long silky stamens of its blossoms. Also called silk flower.
Silk vessel. (Zool.) Same as Silk gland, above.
Virginia silk (Bot.), A climbing plant ({Periploca Gr[ae]ca) of the Milkweed family, having a silky tuft on the seeds. It is native in Southern Europe.
Silken (a.) Of or pertaining to silk; made of, or resembling, silk; as, silken cloth; a silken veil.
Silken (a.) Fig.: Soft; delicate; tender; smooth; as, silken language.
Silken (a.) Dressed in silk.
Silken (v. t.) To render silken or silklike.
Silkiness (n.) The quality or state of being silky or silken; softness and smoothness.
Silkiness (n.) Fig.: Effeminacy; weakness.
Silklike (a.) 如絲的 Having a smooth, gleaming surface reflecting light; "glossy auburn hair"; "satiny gardenia petals"; "sleek black fur"; "silken eyelashes"; "silky skin"; "a silklike fabric"; "slick seals and otters" [syn: {satiny}, {sleek}, {silken}, {silky}, {silklike}, {slick}].
Silkmen (n. pl. ) of Silkman.
Silkman (n.) A dealer in silks; a silk mercer.
Silkness (n.) Silkiness.
Silkweed (n.) Any plant of the genera Asclepias and Acerates whose seed vessels contain a long, silky down; milkweed.
Silkworm (n.) The larva of any one of numerous species of bombycid moths, which spins a large amount of strong silk in constructing its cocoon before changing to a pupa.
Silky (a.) 絲綢一樣的；柔軟光潔的；有細毛的，毛茸茸的 Of or pertaining to silk; made of, or resembling, silk; silken; silklike; as, a silky luster.
Silky (a.) Hence, soft and smooth; as, silky wine.
Silky (a.) Covered with soft hairs pressed close to the surface, as a leaf; sericeous.
{Silky oak} (Bot.), a lofty Australian tree ({Grevillea robusta}) with silky tomentose lobed or incised leaves. It furnishes a valuable timber.
Silky (a.) Having a smooth, gleaming surface reflecting light; "glossy auburn hair"; "satiny gardenia petals"; "sleek black fur"; "silken eyelashes"; "silky skin"; "a silklike fabric"; "slick seals and otters" [syn: {satiny}, {sleek}, {silken}, {silky}, {silklike}, {slick}].
Sill (n.) The basis or foundation of a thing; especially, a horizontal piece, as a timber, which forms the lower member of a frame, or supports a structure; as, the sills of a house, of a bridge, of a loom, and the like.
Sill (n.) The timber or stone at the foot of a door; the threshold.
Sill (n.) The timber or stone on which a window frame stands; or, the lowest piece in a window frame.
Sill (n.) The floor of a gallery or passage in a mine.
Sill (n.) A piece of timber across the bottom of a canal lock for the gates to shut against.
Sill (n.) The shaft or thill of a carriage.
Sill (n.) A young herring.
Sillabub (n.) A dish made by mixing wine or cider with milk, and thus forming a soft curd; also, sweetened cream, flavored with wine and beaten to a stiff froth.
Siller (n.) Silver.
Sillily (adv.) In a silly manner; foolishly.
Sillimanite (n.) Same as Fibrolite.
Silliness (n.) The quality or state of being silly.
Sillock (n.) The pollock, or coalfish.
Sillon (n.) A work raised in the middle of a wide ditch, to defend it.
Silly (n.) Happy; fortunate; blessed.
Silly (n.) Harmless; innocent; inoffensive.
Silly (n.) Weak; helpless; frail.
Silly (n.) Rustic; plain; simple; humble.
Silly (n.) Weak in intellect; destitute of ordinary strength of mind; foolish; witless; simple; as, a silly woman.
Silly (n.) Proceeding from want of understanding or common judgment; characterized by weakness or folly; unwise; absurd; stupid; as, silly conduct; a silly question.
Sillyhow (a.) A caul. See Caul, n., 3.
Silo (n.) A pit or vat for packing away green fodder for winter use so as to exclude air and outside moisture. See Ensilage.
Silt (n.) Mud or fine earth deposited from running or standing water.
Silted (imp. & p. p.) of Silt.
Silting (p. pr. & vb. n.) of Silt.
Silt (v. t.) To choke, fill, or obstruct with silt or mud.
Silt (v. i.) To flow through crevices; to percolate.
Silty (a.) Full of silt; resembling silt.
Silure (n.) A fish of the genus Silurus, as the sheatfish; a siluroid.
Silurian (a.) Of or pertaining to the country of the ancient Silures; -- a term applied to the earliest of the Paleozoic eras, and also to the strata of the era, because most plainly developed in that country.
Silurian (n.) The Silurian age.
Siluridan (n.) Any fish of the family Siluridae or of the order Siluroidei.
Siluroid (n.) Belonging to the Siluroidei, or Nematognathi, an order of fishes including numerous species, among which are the American catfishes and numerous allied fresh-water species of the Old World, as the sheatfish (Silurus glanis) of Europe.
Siluroid (n.) A siluroid fish.
Siluroidei (n. pl.) An order of fishes, the Nematognathi.
Silurus (n.) A genus of large malacopterygious fishes of the order Siluroidei. They inhabit the inland waters of Europe and Asia.
Silvas (n. pl. ) of Silva.
Silvae (n. pl. ) of Silva.