Definition of hydrometer
: an instrument for determining the specific gravity of a liquid (such as battery acid or an alcohol solution) and hence its strength
hydrometricplay \ˌhī-drə-ˈme-trik\ adjective
Recent Examples of hydrometer from the Web
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.
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First Known Use of hydrometer
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