molecular mass

noun

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

Examples of molecular mass in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
While Delta 8 and Delta 9 THC share a very similar chemical structure, there is one major difference: The molecular mass. Amber Smith, Discover Magazine, 19 Oct. 2022

Word History

First Known Use

1873, in the meaning defined above

Time Traveler
The first known use of molecular mass was in 1873

Dictionary Entries Near molecular mass

Cite this Entry

“Molecular mass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/molecular%20mass. Accessed 24 Dec. 2024.

Kids Definition

molecular mass

noun
: the mass of a molecule that is equal to the sum of the masses of all the atoms contained in the molecule's formula
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!