Defn: 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, or normal silicic, acid.
SILICICALCAREOUS
Si*lic`i*cal*ca"re*ous, a.
Defn: Consisting of silica and calcareous matter.
SILICIDE
Sil"i*cide, n. (Chem.)
Defn: A binary compound of silicon, or one regarded as binary. [R.] 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.
SILICIFEROUS
Sil`i*cif"er*ous, a. Etym: [L. silex, silicis, a flint + -ferous.]
Defn: Producing silica; united with silica.
SILICIFICATION
Si*lic`i*fi*ca"tion, n. Etym: [See Silicify.] (Chem.)
Defn: 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.
SILICIFIED
Si*lic"i*fied, a. (Chem.)