SILICA
silica, silicon oxide, silicon dioxide
(noun) 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
Source: WordNet® 3.1
Etymology
Noun
silica (countable and uncountable, plural silicas)
Silicon dioxide.
Any of the silica group of the silicate minerals.
Synonyms
• E551 when used as an anti-caking agent
Anagrams
• Cialis, Liasic, salici, sialic
Source: Wiktionary
Sil"i*ca, n. Etym: [NL., from L. silex, silics, a flint.] (Chem.)
Definition: Silicon dioxide, SiO
Source: Webster’s Unabridged Dictionary 1913 Edition