Acidify
Pronunciation : A*cid"i*fy
Part of Speech : v. t. [imp. & p. p. Acidified; p. pr. & vb. n. Acidifying.]
Etymology : [L. acidus sour, acid + -fy: cf. F. acidifier.]
Definition : 1. To make acid; to convert into an acid; as, to acidify sugar.
2. To sour; to imbitter. His thin existence all acidified into rage. Carlyle.
Source : Webster's Unabridged Dictionary, 1913