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Pronunciation: ka'o-lin

Definition: Hydrated aluminum silicate; when powdered and freed from gritty particles by elution, kaolin is used as a demulcent and adsorbent. In dentistry, used to add toughness and opacity to porcelain teeth.

Synonym(s): aluminum silicate

[Ch. kao lin, High Ridge, name of a locality in China where the substance is found in abundance]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.