Definition of "fermentative" [fer•ment•a•tive]

• Causing fermentation. (adjective)
• Capable of causing or undergoing fermentation. (adjective)
• Relating to or of the nature of fermentation. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Flour, when well boiled, though infinitely better than arrowroot, is still only a kind of fermentative paste, that counteracts its own good by after-acidity and flatulence."
• "It is much easier to conceive from this doctrine of associated or sympathetic motions of distant parts of the system, how it happens, that the variolous infection can be received but once, as before explained; than by supposing, that a change is effected in the mass of blood by any kind of fermentative process."
• "They have a rumen hence, ruminant, the first in a series of multiple stomachs that acts as a fermentative vat."