Definify.com

Webster 1913 Edition

Adj.

[Cf. F.

fermentable

Capable of fermentation;

as, cider and other vegetable liquors are

fermentable

Adj.

Capable of fermentation; thus, cider, beer of all kinds, wine, and other vegetable liquors, are fermentable.

fermentable ‎(comparative more fermentable, superlative most fermentable)

Able to ferment or be fermented
- 2009 September 9, Joyce Wadler, “Chew It Up, Spit It Out, Then Brew. Cheers!”, in New York Times:
  “You need to convert the starches in the corn into fermentable sugars,” the always entertaining Mr. Calagione said by phone from his headquarters in Rehoboth Beach.