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isatin |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Isatin \I"sa*tin\, n. [See {Isatis}.] (Chem.) An orange-red crystalline substance, {C8H5NO2}, obtained by the oxidation of indigo blue. It is also produced from certain derivatives of benzoic acid, and is one important source of artificial indigo. [Written also less properly, {isatine}.]