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hydrometer

noun

hy·​drom·​e·​ter hī-ˈdrä-mə-tər How to pronounce hydrometer (audio)
: an instrument for determining the specific gravity of a liquid (such as battery acid or an alcohol solution) and hence its strength
hydrometric adjective

Example Sentences

Recent Examples on the Web At 6 or 7 p.m., Schmitz and his family will check the syrup with a spoon and with a hydrometer — an instrument for measuring sugar content, Schmitz said. Tyler Langan, Milwaukee Journal Sentinel, 11 Apr. 2018 That includes tools such as the hydrometer, containers to ferment and age, yeast, preservatives and, of course, the grapes. Carolyn Wilke, sacbee, 1 Aug. 2017 From scientific gadgets like the hydrometer, used to measure the density of sugar in liquids, to practical concerns like empty bottles, Maryland Homebrew is packed. Kit Waskom Pollard, Howard County Times, 3 May 2017

Word History

First Known Use

1675, in the meaning defined above

Time Traveler
The first known use of hydrometer was in 1675

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