Bible Dictionaries
Hydrometrical

Webster's Dictionary

(1):

(a.) Made by means of an hydrometer; as, hydrometric observations.

(2):

(a.) Of or pertaining to an hydrometer, or to the determination of the specific gravity of fluids.

(3):

(a.) Of or pertaining to measurement of the velocity, discharge, etc., of running water.

Bibliography Information
Webster, Noah. Entry for 'Hydrometrical'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​h/hydrometrical.html. 1828.