| 单词 | relative density |
| 释义 | relative densitynoun Physics.specific gravity. Origin of relative densityFirst recorded in 1875–80; Words nearby relative densityrelative aperture, relative atomic mass, relative bearing, relative clause, relative complement, relative density, relative deprivation, relative frequency, relative humidity, relative impediment, relative leukocytosis Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for relative densityrelative density nounthe 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 substanceSymbol: d See also specific gravity, vapour density Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for relative densityrelative 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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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