isonicotinic acid hydrazide

[ ahy-suh-nik-uh-tin-ik; hahy-druh-zahyd, -zid ]

noun

, Pharmacology.

1. isoniazid.

Word History and Origins

Origin of isonicotinic acid hydrazide¹

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