isoniazid

[ ahy-suh-nahy-uh-zid ]
/ ˌaɪ səˈnaɪ ə zɪd /

noun Pharmacology.

a white, crystalline, water-soluble solid, C6H7N3O, used in the treatment of tuberculosis.

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Origin of isoniazid

First recorded in 1950–55; short for isonicotinic acid hydrazide
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for isoniazid

isoniazid
/ (ˌaɪsəʊˈnaɪəzɪd) /

noun

a soluble colourless crystalline compound used to treat tuberculosis. Formula: C 6 H 7 N 3 O

Word Origin for isoniazid

C20 isoni (cotinic acid hydr) azid (e)
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

Medical definitions for isoniazid

isoniazid
[ ī′sə-nīə-zĭd ]

n.

An antibacterial compound used in the treatment of tuberculosis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.