Silicic \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, silicic
acid.
[1913 Webster]
{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}.
[1913 Webster]