A*cid"i*fy (#), v. t. [imp. & p. p. Acidified (#); p. pr. & vb. n. Acidifying (#).] [L. acidus sour, acid + -fy: cf. F. acidifier.]
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.
© Webster 1913.