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Pronunciation: talk
Definition: Native hydrous magnesium silicate, sometimes containing small proportions of aluminum silicate, purified by boiling powdered talc with hydrochloric acid in water; used in pharmacy as a filter aid, as a dusting powder, and in cosmetic preparations.
Synonym(s): French chalk, soapstone, talcum
[Ar. talq]
Examples: glitazone, GI cocktail, etc.
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