What does acidimetry mean?
The definition of acidimetry
Ac`id*im”e*try, n.
Etym: [L. acidus acid + -metry.] (Chem.)

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.