alcoholometry

Century Dictionary and Cyclopedia

1. n. The process of estimating the percentage of pure or absolute alcohol in a spirituous liquid. Sometimes contracted to alcoömetry.

Wiktionary

1. n. The measurement of the concentration of alcohol in a liquid, especially in the blood

GNU Webster's 1913

1. n. The process or method of ascertaining the proportion of pure alcohol which spirituous liquors contain.