Dictionary

isoniazid

noun iso·ni·a·zid \ˌī-sə-ˈnī-ə-zəd\

Definition of ISONIAZID

:  a crystalline compound C6H7N3O used in treating tuberculosis
ADVERTISEMENT

Origin of ISONIAZID

is- + nicotinic acid + hydrazide
First Known Use: 1952
Medical Dictionary

isoniazid

noun iso·ni·a·zid \ˌī-sə-ˈnī-ə-zəd\

Medical Definition of ISONIAZID

:  a crystalline compound C6H7N3O used in treating tuberculosis—called also isonicotinic acid hydrazide

Browse

Next Word in the Dictionary: isonicotinoylhydrazinePrevious Word in the Dictionary: isonephAll Words Near: isoniazid
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears