molecular weight

noun

Definition of molecular weight

:the average mass of a molecule of a compound compared to ¹/₁₂ the mass of carbon 12 and calculated as the sum of the atomic weights of the constituent atoms

First Known Use of molecular weight

1860


Medical Dictionary

molecular weight

noun

medical Definition of molecular weight

:the mass of a molecule that may be calculated as the sum of the atomic weights of its constituent atoms

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