from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An instrument used to determine specific gravity, especially a sealed, graduated tube, weighted at one end, that sinks in a fluid to a depth used as a measure of the fluid's specific gravity.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An instrument that floats in a liquid and measures its specific gravity on a scale.
from the GNU version of the Collaborative International Dictionary of English
- n. An instrument for determining the specific gravities of liquids, and thence the strength spirituous liquors, saline solutions, etc.
- n. An instrument, variously constructed, used for measuring the velocity or discharge of water, as in rivers, from reservoirs, etc., and called by various specific names according to its construction or use, as tachometer, rheometer, hydrometer, pendulum, etc.; a current gauge.
from The Century Dictionary and Cyclopedia
- n. An instrument for measuring specific gravity, especially that of water and other fluids, and hence the strength of spirituous liquors and of various solutions.
- n. An instrument used for measuring the velocity or discharge of water, as in rivers, from reservoirs, etc.
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
Sorry, no etymologies found.