instrument for measuring strength of alkalines
• (n.) An instrument to ascertain the strength of alkalies, or the quantity of alkali in a mixture.
Al`ka·lim'e·ter noun [ Alkali + -meter . confer French alcalimètre .] An instrument to ascertain the strength of alkalies, or the quantity of alkali in a mixture. 
An alkalimeter is an instrument for ascertaining the quantity of free alkali in any impure specimen, as in the potashes of commerce. These, besides the carbonate of potash, of which they principally consist, usually contain a portion of foreign salts, as sulphate and chloride of potassium, and as the true worth of the substance, or price for which ...
an instrument for determining the quantity of carbon dioxide.