Noun gravimeter has 2 senses
  1. hydrometer, gravimeter - a measuring instrument for determining the specific gravity of a liquid or solid
    --1 is a kind of measuring instrument, measuring system, measuring device
    --1 has particulars: salinometer; thermohydrometer, thermogravimeter
  2. gravimeter, gravity meter - a measuring instrument for measuring variations in the gravitational field of the earth
    --2 is a kind of measuring instrument, measuring system, measuring device
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