formula weight

noun

Definition of formula weight

: molecular weight used especially of ionic compounds

First Known Use of formula weight

circa 1920, in the meaning defined above

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The first known use of formula weight was circa 1920

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Cite this Entry

“Formula weight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/formula%20weight. Accessed 12 Aug. 2020.

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