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1. (n.) molecular weight
the average weight of a molecule of an element or compound measured in units based on
Etymology: (1875–80)
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| Definition of 'molecular weight' |
Princeton's WordNet |
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1. (noun) molecular weight, relative molecular mass
(chemistry) the sum of the relative atomic masses of the constituent atoms of a molecule
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| Definition of 'molecular weight' |
U.S. National Library of Medicine |
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1. molecular weight
The sum of the weight of all the atoms in a molecule.
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| Alternative search options for 'molecular weight' |
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Definitions of molecular weight 
