/ Dictionary / Index A atrazine: Meaning and Definition of Find definitions for: at•ra•zine Pronunciation: (a'tru-zēn"), [key] — n. Chem. a white crystalline compound, CHNCl, used as an herbicide to control weeds, esp. in corn crops. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: atrazine (Thesaurus) Atrahasis Atrek Related Content Daily Word Quiz: wary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language