isonicotinic acid hydrazide: Meaning and Definition of

i'so•nic•o•tin'ic ac'id hy'dra•zide

Pronunciation: (ī'su-nik"u-tin'ik&wdspchī'dru-zīd", -zid), [key]
— Pharm. Pharm.
  1. isoniazid.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.