[ thahy-uh-zohl ]
/ ˈθaɪ əˌzoʊl /

noun Chemistry.

a colorless, slightly water-miscible liquid, C3H3NS, having a disagreeable odor.
any of various derivatives of this substance, used as dyes or reagents.

Origin of thiazole

First recorded in 1885–90; thi- + azole Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for thiazole


thiazol (ˈθaɪəˌzɒl)

/ (ˈθaɪəˌzəʊl) /


a colourless liquid with a pungent smell that contains a ring system composed of three carbon atoms, a sulphur atom, and a nitrogen atom. It is used in dyes and fungicides. Formula: C 3 H 3 NS
any of a group of compounds derived from this substance that are used in dyes
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

Scientific definitions for thiazole

[ thīə-zōl′ ]

Any of a class of organic compounds containing a ring that consists of three carbon atoms, one nitrogen atom, and one sulfur atom. Thiamine, penicillin and its derivatives, various other drugs, and numerous dyes are thiazoles.
A colorless or pale yellow liquid used in making dyes and fungicides. Chemical formula: C3H3NS.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.