HYDROMETER • E-FREE TRANSLATION.COM • Definition of Hydrometer

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noun

Hydrometer n.

(Physics) An instrument for determining the specific gravities of liquids, and thence the strength spirituous liquors, saline solutions, etc. Note: It is usually made of glass with a graduated stem, and indicates the specific gravity of a liquid by the depth to which it sinks in it, the zero of the scale marking the depth to which it sinks in pure water. Extra weights are sometimes used to adapt the scale to liquids of different densities.

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.

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Etymology of 'Hydrometer'

Collaborative International Dictionary of English 0.48

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"Hydrometer" Quotes from Famous Books

... certain prominent subjects have been selected with which it behoves every one to be acquainted: such, for example, as relate to what may be called our HOUSEHOLD INSTRUMENTS, namely, the Thermometer, the Barometer, and Vernier; the Hydrometer, the Hygrometer; the Tuning-Fork, Musical Glasses and Music generally; the Compass; the Prism, the Telescope, and the Sun-Dial. These subjects, and those in immediate connexion with them, are treated of extensively; as also their application ...

— The History of the Rise, Progress and Accomplishment of the - Abolition of the African Slave-Trade, by the British Parliament (1839) • Thomas Clarkson

Words linked to "Hydrometer" : salinometer, measuring device, gravimeter, measuring system, hydrometric, thermogravimeter, measuring instrument, thermohydrometer