hydrometer

hy·drom·e·ter  (h-drm-tr)

n.

An instrument used to determine specific gravity, especially a sealed, graduated tube, weighted at one end, that sinks in a fluid to a depth used as a measure of the fluid's specific gravity.

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hydro·metric (hdr-mtrk), hydro·metri·cal adj.

hydro·metri·cal·ly adv.

hy·drome·try n.

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hydrometer [hide-rom-it-er]

Noun

an instrument for measuring the density of a liquid

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hydrometer  (h-drm-tr)

An instrument used to measure the density of a liquid as compared to that of water. Hydrometers consist of a calibrated glass tube ending in a weighted glass sphere that makes the tube stand upright when placed in a liquid. The lower the density of the liquid, the deeper the tube sinks.

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hydrometer

an instrument for measuring the specific gravity of a liquid.

See also: Instruments

Thesaurus

Noun

1.

hydrometer - a measuring instrument for determining the specific gravity of a liquid or solid gravimeter measuring device, measuring instrument, measuring system - instrument that shows the extent or amount or quantity or degree of something salinometer - a hydrometer that determines the concentration of salt solutions by measuring their density thermogravimeter, thermohydrometer - a hydrometer that includes a thermometer