/ Dictionary / Index A amidinohydrazone: Meaning and Definition of Find definitions for: am•i•di•no•hy•dra•zone Pronunciation: (am"i-dē"nō-hī'dru-zōn"), [key] — n. any of a group of pesticides, originally developed as antimalarial and antitubercular drugs, that impair cell respiration in cockroaches, red ants, and other insects. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. amidine amido- Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language