ACIDITY
A*cid"i*ty, n. Etym: [L. acidites, fr. acidus: cf. F. acidité. See
Acid.]
Defn: The quality of being sour; sourness; tartness; sharpness to the taste; as, the acidity of lemon juice.
ACIDLY
Ac"id*ly, adv.
Defn: Sourly; tartly.
ACIDNESS
Ac"id*ness, n.
Defn: Acidity; sourness.
ACID PROCESS
Ac"id proc"ess. (Iron Metal.)
Defn: That variety of either the Bessemer or the open-hearth process in which the converter or hearth is lined with acid, that is, highly siliceous, material. Opposed to basic process.
ACIDULATE
A*cid"u*late, v. t. [imp. & p. p. Acidulated; p. pr. & vb. n.
Acidulating.] Etym: [Cf. F. aciduler. See Acidulous.]
Defn: To make sour or acid in a moderate degree; to sour somewhat.
Arbuthnot.