Fermentative a. : Causing, or having power to cause, fermentation; produced by fermentation; fermenting; as, a fermentative process.

Example:
What does it mean if a certain bacteria's metabolism is Fermentative?

Taxonomy
fermentation, microbiology, The American, American Heritage, Medical Dictionary, Houghton Mifflin Company, Dictionary, Unanswered questions, Dictionary of the English Language, organism, Stedman's Medical Dictionary, Search, Video, Reference library, bacterium, oxidative, produce energy, German-Swedish.

Defination from the web:
fermentative adj. Causing fermentation. Capable of causing or undergoing fermentation. Relating to or of the nature of ... What kind of energy does strictly fermentative bacterium produces? Read answer...