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by various specific names according to its construction or use, as tachometer, rheometer, hydrometer, pendulum, etc.; a current gauge.

A form of hydrometer for liquids heavier than water, graduated with an arbitrary scale such that the readings when multiplied by .005 and added to unity give the specific gravity.

icate the percentage of pure alcohol, either by weight or volume. It is usually a form of hydrometer with a special scale.

An instrument for measuring the specific gravity of fluids; a form hydrometer.

to either of the scales used by the French chemist Antoine Baumé in the graduation of his hydrometers; of or relating to Baumé's scales or hydrometers. There are two Baumé hydrometers. One, which is used with liquids heavier than water, sinks to 0º in pure water, and to 15º in a 15 per cent salt solution; the other, fo…

A hydrometer scale on which the zero point corresponds to sp. gr. 1.00, and the 30º-point to sp. gr. 0.85. From these points the scale is extended both ways, all the degrees being of equal length.

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

A form of hydrometer, specially graduated, for finding the density of milk, and thus discovering whether it has been mixed with water or some of the cream has been removed.

A small hydrometer for determining the specific gravity of urine.

A hydrometer.