| 单词 | relative molecular mass |
| 释义 | relative molecular massnounthe sum of all the relative atomic masses of the atoms in a molecule; the ratio of the average mass per molecule of a specified isotopic composition of a substance to one-twelfth the mass of an atom of carbon-12Symbol: M r Abbreviation: r.m.m. Former name: molecular weight Words nearby relative molecular massrelatively, relatively prime numbers, relative major, relative majority, relative minor, relative molecular mass, relativeness, relative permeability, relative permittivity, relative pitch, relative polycythemia 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 molecular massrelative molecular mass See molecular weight. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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