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Meaning of isatin

i•sa•tin

Pronunciation: (ī'su-tin), [key]
— n. Chem.
  1. a yellowish-red or orange, crystalline, water-soluble solid, CHNO, used chiefly in the synthesis of vat dyes.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.