/ Dictionary / Index N niridazole: Meaning and Definition of Find definitions for: ni•rid•a•zole Pronunciation: (nī-rid'u-zōl"), [key] — n. Pharm. an anthelmintic substance, CHNOS, used in the treatment of schistosomiasis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Nirenberg Nirmalin Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language