hydrometer

[ hahy-drom-i-ter ]

/ haɪˈdrɒm ɪ tər /

noun

an instrument for determining the specific gravity of a liquid, commonly consisting of a graduated tube weighted to float upright in the liquid whose specific gravity is being measured.

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Origin of hydrometer

First recorded in 1665–75; hydro-¹ + -meter

OTHER WORDS FROM hydrometer

hy·dro·met·ric

[hahy-druh-me-trik] /ˌhaɪ drəˈmɛ trɪk/, hy·dro·met·ri·cal, adjectivehy·drom·e·try, noun

Words nearby hydrometer

hydromel, hydromeningocele, hydrometallurgy, hydrometeor, hydrometeorology, hydrometer, hydrometra, hydrometrocolpos, hydromicrocephaly, hydromorphic, hydromorphone hydrochloride

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for hydrometer

Discharge should be stopped when the density of the electrolyte, as measured with a hydrometer, is 1.150.
The Automobile Storage Battery|O. A. Witte
The tube must be held in a vertical position, Fig. 35, and the stem of the hydrometer must be vertical.
The Automobile Storage Battery|O. A. Witte
But however obscure they may be, it evidently appears that they allude to a hydrometer.
A History of Inventions, Discoveries, and Origins, Volume II (of 2)|Johann Beckman
If this hydrometer is placed in a liquid, it will sink to a certain depth.
The Automobile Storage Battery|O. A. Witte

The hydrometer should be among the possessions of every well-regulated paint shop.
Practical Carriage and Wagon Painting|Mayton Clarence Hillick

British Dictionary definitions for hydrometer

hydrometer

/ (haɪˈdrɒmɪtə) /

noun

an instrument for measuring the relative density of a liquid, usually consisting of a sealed graduated tube with a weighted bulb on one end, the relative density being indicated by the length of the unsubmerged stem

Derived forms of hydrometer

hydrometric (ˌhaɪdrəʊˈmɛtrɪk) or hydrometrical, adjectivehydrometrically, adverbhydrometry, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for hydrometer

hydrometer

[ hī-drŏm′ĭ-tər ]

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 indicating the fluid's specific gravity.gravimeter

Other words from hydrometer

hy′dro•met′ric (hī′drə-mĕt′rĭk) adj.hy•drom′e•try n.

Scientific definitions for hydrometer

hydrometer

[ hī-drŏm′ĭ-tər ]

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.