Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The sum of the atomic weights of all the atoms in a molecule.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun chemistry the
sum of theatomic weights of everyatom in amolecule
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun (chemistry) the sum of the relative atomic masses of the constituent atoms of a molecule
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