from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An instrument used to measure specific gravity.
- n. An instrument used to measure variations in a gravitational field.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. an instrument used to measure local variations in the gravitational field
- n. a hydrometer
from the GNU version of the Collaborative International Dictionary of English
- n. An instrument for ascertaining the specific gravity of bodies.
from The Century Dictionary and Cyclopedia
- n. An instrument for determining the specific gravities of bodies, whether liquid or solid. See hydrometer.
- n. An instrument for measuring the force of gravity against some elastic force. There have been many attempts to construct such instruments, but none has been successful.
- n. Specifically, a copper vessel of one cubic foot capacity, with a heavy plate-glass cover, used in determining the density of large-grained gunpowder inclusive of the vacant spaces between its grains. See gravimetric density of gunpowder, under density.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a measuring instrument for determining the specific gravity of a liquid or solid
- n. a measuring instrument for measuring variations in the gravitational field of the earth
French gravimètre : Latin gravis, heavy; see gravity + French -mètre, -meter.(American Heritage® Dictionary of the English Language, Fourth Edition)
gravi- + -meter (Wiktionary)