- An instrument for determining the specific gravities of
liquids, and thence the strength spirituous liquors, saline solutions,
etc. - 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.
Definition
[ n.]