Extracts from Webster's New World...College Edition: silicone -- any of a group of synthetic resins, oils, greases, plastics, etc., in which the carbon has been replaced by silicon: such compounds are characterized by relatively high resistance to temperature changes, to water, etc. and are used in lubricants, synthetic rubber, polishes, and the like. silicon -- a non-metallic chemical element found always in combination and more abundant in nature than any other element except oxygen, with which it combines to form silica: symbol: Si; at. wt. 28.06; at. no. 14. -- Marshall Price d021317c@dcfreenet.seflin.lib.fl.us
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