molecular mass

noun

Definition of molecular mass

: the mass of a molecule that is equal to the sum of the masses of all the atoms contained in the molecule

First Known Use of molecular mass

1873, in the meaning defined above

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The first known use of molecular mass was in 1873

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Cite this Entry

“Molecular mass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/molecular%20mass. Accessed 24 Oct. 2020.

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