hydrometer

[ hahy-drom-i-ter ]

/ haɪˈdrɒm ɪ tər /

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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. 2022

How to use hydrometer in a sentence

The greater the amount of solid matter dissolved in the sirup, the higher will be hydrometer float.
Woman's Institute Library of Cookery, Vol. 5|Woman's Institute of Domestic Arts and Sciences
For determining the density of sirup, a sirup gauge, or hydrometer, will be found useful.
Woman's Institute Library of Cookery, Vol. 5|Woman's Institute of Domestic Arts and Sciences
Regardless of the kind of juice, the hydrometer should register 25 degrees for perfect jelly.
Woman's Institute Library of Cookery, Vol. 5|Woman's Institute of Domestic Arts and Sciences
It should be wider than the hydrometer, and always filled to the brim.
A Treatise on Meteorological Instruments|Henry Negretti

The temperature is taken, and the hydrometer is immersed in the fluid.
A Textbook of Assaying: For the Use of Those Connected with Mines.|Cornelius Beringer and John Jacob Beringer

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 ]

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.