simazinePronunciation: /ˈsɪməziːn, ˈsʌɪ-/Definition of simazine noun [mass noun] a synthetic compound derived from triazine and used as a herbicide, especially to kill broadleaved weeds and grasses before they emerge. Origin: 1950s: blend of symmetrical and triazinesimazine in other Oxford dictionaries Definition of simazine in the US English dictionary
