Defn: The act or process of acidifying, or changing into an acid.

ACIDIFIER
A*cid"i*fi`er, n. (Chem.)

Defn: A simple or compound principle, whose presence is necessary to produce acidity, as oxygen, chlorine, bromine, iodine, etc.

ACIDIFY
A*cid"i*fy, v. t. [imp. & p. p. Acidified; p. pr. & vb. n.
Acidifying.] Etym: [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.

ACIDIMETER
Ac`id*im"e*ter, n. Etym: [L. acidus acid + -meter.] (Chem.)

Defn: An instrument for ascertaining the strength of acids. Ure.

ACIDIMETRY
Ac`id*im"e*try, n. Etym: [L. acidus acid + -metry.] (Chem.)

Defn: The measurement of the strength of acids, especially by a chemical process based on the law of chemical combinations, or the fact that, to produce a complete reaction, a certain definite weight of reagent is required. — Ac`id*i*met"ric*al, a.