Medical Dictionary
hydrometer
noun hy·drom·e·ter \hī-ˈdräm-ət-ər\
Medical Definition of HYDROMETER
: an instrument for determining the specific gravity of a liquid (as an alcohol or saline solution) and hence its strength
—hy·drom·e·try \-ə-trē\ noun, plural hy·drom·e·tries
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