isonicotinic acid hydrazide

isonicotinic acid hydrazide [ahy-suh-nik-uh-tin-ik; hahy-druh-zahyd, -zid] Word Origin noun Pharmacology.

1. isoniazid.

Origin of isonicotinic acid hydrazide 1950–55; iso- + nicotinic acid; hydraz(ine) + -ide