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. )