Word Study
gravimeter
CIDE DICTIONARY
gravimeter, n. [L. gravis heavy + -meter: cf. F. gravimètre.].
An instrument for ascertaining the specific gravity of bodies. [1913 Webster]
OXFORD DICTIONARY
gravimeter, n. an instrument for measuring the difference in the force of gravity from one place to another.
Etymology
F gravim{egrave}tre f. L gravis heavy
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