Silex
Si″lex (?), n.(Min.) Silica, SiO2 as found in nature, constituting quarz, and most sands and sandstones. See Silica, and Silicic.
Webster's Revised Unabridged Dictionary, C. & G. Merriam Co., 1913.
13.254 entries
Si″lex (?), n.(Min.) Silica, SiO2 as found in nature, constituting quarz, and most sands and sandstones. See Silica, and Silicic.
Sil′hou‐ette″ (?), n. [F.; — so called from Etienne de Silhoutte, a French minister of finance in 1759, whise diversion it was to make such portraits on the walls of his apartme...
Sil′hou‐ette″, v. t. To represent by a silhouette; to project upon a background, so as to be like a silhouette.A flock of roasting vultures silhouetted on the sky. The Century.
Sil″i‐ca (?), n. [NL., from L. silex, silics, a flint.] (Chem.) Silicon dioxide, SiO�. It constitutes ordinary quartz (also opal and tridymite), and is artifically prepared as a...
Sil″i‐cate (?), n.[Cf. F. silicate.] (Chem.) A salt of silicic acid.☞ In mineralogical chemistry the silicates include; the unisilicates or orthosilicates, salts of orthosilicic...
Sil″i‐ca′ted (?), a.(Chem.) Combined or impregnated with silicon or silica; as, silicated hydrogen; silicated rocks.Silicated soap, a hard soap containing silicate of soda.
Sil′i‐ca‐ti‐za″tion (?), n. Silicification.
‖Si‐lic″e‐a (?), n. pl.(Zoöl.) Same as Silicoidea.
Si‐li″ceous (?), a. [L. siliceus, fr. silex, silicis, a flint.] Of or pertaining to silica; containing silica, or partaking of its nature. [Written also silisious.]
Si‐lic″ic (?), a. [L. silex, silicis, a flint: cf. F. silicique.] (Chem.) Pertaining to, derived from, or resembling, silica; specifically, designating compounds of silicon; as,...
Si‐lic′i‐cal‐ca″re‐ous (?), a. Consisting of silica and calcareous matter.
Sil″i‐cide (?), n.(Chem.) A binary compound of silicon, or one regarded as binary.Hydrogen silicide(Chem.), a colorless, spontaneously inflammable gas, SiH4, produced artificall...
Sil′i‐cif″er‐ous (?), a. [L. silex, silicis, a flint + -ferous.] Producing silica; united with silica.
Si‐lic′i‐fi‐ca″tion (?), n. [See Silicify.] (Chem.) Thae act or process of combining or impregnating with silicon or silica; the state of being so combined or impregnated; as, t...
Si‐lic″i‐fied (?), a.(Chem.) Combined or impregnated with silicon or silica, especially the latter; as, silicified wood.
Si‐lic″i‐fy (?), v. t. [imp. & p. p.Silicified (?); p. pr. & vb. n.Silicifying (?).] [L. silex, silicis, a flint + -fy: cf. F. silicifier.] (Chem.) To convert into, or to impreg...
Si‐lic″i‐fy, v. i. To become converted into silica, or to be impregnated with silica.
‖Sil′i‐ci‐oi″de‐a (?), n. pl.(Zoöl.) Same as Silicoidea.
Si‐li″cious (?), a. See Siliceous.
‖Sil′i‐ci‐spon″gi‐æ (?), n. pl. [NL. See Silex, and Sponge.] (Zoöl.) Same as Silicoidea.
Si‐lic″it‐ed (?), a. Silicified.
Si‐lic″i‐um (?), n. See Silicon.
Si‐lic″i‐u‐ret′ed (?), a. [Written also siliciuretted.] (Old. Chem.) Combined or impregnated with silicon.Siliciureted hydrogen. (Chem.) Hydrogen silicide.
Sil″i‐cle (?), n. [L. silicula, dim. of siliqua a pod or husk: cf. F. silicule.] (Bot.) A seed vessel resembling a silique, but about as broad as it is long. See Silique.
Sil″i‐co– (?). (Chem.) A combining form (also used adjectively) denoting the presence of silicon or its compounds; as, silicobenzoic, silicofluoride, etc.
Sil′i‐co‐flu‐or″ic (?), a.(Chem.) Containing, or composed of, silicon and fluorine; especially, denoting the compounds called silicofluorides.Silicofluoric acid(Chem.), a compou...
Sil′i‐co‐flu″or‐ide (?), n.(Chem.) A fluosilicate; a salt of silicofluoric acid.