Hydrometer

[haɪ'drɒmɪtə] or [haɪ'drɑmɪtɚ]

Definition

(noun.) a measuring instrument for determining the specific gravity of a liquid or solid.

Edited by Jeffrey--From WordNet

Definition

(n.) An instrument for determining the specific gravities of liquids, and thence the strength spirituous liquors, saline solutions, etc.

(n.) An instrument, variously constructed, used for measuring the velocity or discharge of water, as in rivers, from reservoirs, etc., and called by various specific names according to its construction or use, as tachometer, rheometer, hydrometer, pendulum, etc.; a current gauge.

Typed by Carolyn

Definition

n. an instrument for measuring the density or specific gravity of solids and liquids by flotation consisting of a weighted glass bulb or hollow metal cylinder with a long stem: a current-gauge.—adjs. Hydromet′ric -al.—n. Hydrom′etry.

Checker: Thomas