Acidulate
Pronunciation : A*cid"u*late
Part of Speech : v. t. [imp. & p. p. Acidulated; p. pr. & vb. n. Acidulating.]
Etymology : [Cf. F. aciduler. See Acidulous.]
Definition : Defn: To make sour or acid in a moderate degree; to sour somewhat. Arbuthnot.
Source : Webster's Unabridged Dictionary, 1913