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isonicotinic acid hydrazide

American

[ahy-suh-nik-uh-tin-ik, hahy-druh-zahyd, -zid] / ˈaɪ səˌnɪk əˈtɪn ɪk, ˈhaɪ drəˌzaɪd, -zɪd /

noun

Pharmacology.

isoniazid.

Etymology

Origin of isonicotinic acid hydrazide

1950–55; iso- + nicotinic acid ( def. ); hydraz(ine) ( def. ) + -ide ( def. )

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

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.