relative density

relative density

noun Physics.

Origin:
1875–80
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Relative density is always a great word to know.
So is surface tension. Does it mean:
the force that acts between bodies of like electric charge or magnetic polarity, tending to separate them
the elasticlike force existing in the surface of a liquid caused by asymmetries in the intermolecular forces between surface molecules
Collins
World English Dictionary
relative density
 
n
specific gravity See also vapour density d the ratio of the density of a substance to the density of a standard substance under specified conditions. For liquids and solids the standard is usually water at 4°C or some other specified temperature. For gases the standard is often air or hydrogen at the same temperature and pressure as the substance

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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American Heritage
Science Dictionary
relative density  
The ratio of the density of one substance to that of a reference substance, typically water. See more at specific gravity.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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