acetous

Vin′egar-cru′et, a glass bottle for holding vinegar; Vinegarette′, a vinaigrette; Vin′egar-plant, the microscopic fungus which produces acetous fermentation—found in two forms known as mother of vinegar and flowers of vinegar.—adjs.

From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various

The quality of being acescent; the process of acetous fermentation; a moderate degree of sourness.

From Webster's Unabridged Dictionary by Noah Webster

Causing, or connected with, acetification; as, acetous fermentation.

From Webster's Unabridged Dictionary by Noah Webster

I am of this opinion, because the acid can only be formed at the expense of a little of the spirit, which is one of the principles of the acetous acid.

From The Art of Making Whiskey So As to Obtain a Better, Purer, Cheaper and Greater Quantity of Spirit, From a Given Quantity of Grain by C. M.

This fruit, and the strawberry, are especially suitable for invalids, as they do not engender acetous fermentation in the stomach.

From Chambers's Edinburgh Journal, No. 462 Volume 18, New Series, November 6, 1852 by Robert Chambers