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Dictionary

sil•i•ca

Pronunciation: (sil'i-ku), [key]
—n.
the dioxide form of silicon, SiO₂, occurring esp. as quartz sand, flint, and agate: used usually in the form of its prepared white powder chiefly in the manufacture of glass, water glass, ceramics, and abrasives. Also called silicon dioxide.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

silhouette

silica gel

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