isatin

American

[ahy-suh-tin] / ˈaɪ sə tɪn /

noun

Chemistry.

a yellowish-red or orange, crystalline, water-soluble solid, C 8 H 5 NO 2 , used chiefly in the synthesis of vat dyes.

isatin British

/ ˈaɪsətɪn, ˈaɪsəˌtiːn /

noun

a yellowish-red crystalline compound soluble in hot water, used for the preparation of vat dyes. Formula: C 8 H 5 NO 2

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

isatinic adjective

Etymology

Origin of isatin

1835–45; < Greek isát ( is ) woad + -in ²

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It does not react with sodium or with phenylhydrazine, but yields dye-stuffs with isatin and phenanthrenequinone.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023