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isatin - 2 dictionary results

i⋅sa⋅tin

   [ahy-suh-tin]
–noun Chemistry.
a yellowish-red or orange, crystalline, water-soluble solid, C8H5NO2, used chiefly in the synthesis of vat dyes.
Origin:
1835–45; < Gk isát(is) woad + -in 2
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
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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.]

Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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