formula weight

noun

: molecular weight
used especially of ionic compounds

Examples of formula weight 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.
The new formula weights funding based on the needs of students, including those who are economically disadvantaged, have unique learning needs or live in a small or sparsely populated district. Rachel Wegner, The Tennessean, 2 July 2025

Word History

First Known Use

circa 1920, in the meaning defined above

Time Traveler
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 14 Jul. 2025.

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