toxigenic Syllabification: (tox·i·gen·ic)Pronunciation: /ˌtäksiˈjenik/Definition of toxigenic adjective (especially of a bacterium) producing a toxin or toxic effect. Derivatives toxigenicityPronunciation: /-jəˈnisitē/ noun toxigenic in other Oxford dictionaries Definition of toxigenic in the British & World English dictionary