formula weight

noun

: molecular weight
used especially of ionic compounds

Word History

First Known Use

circa 1920, in the meaning defined above

Time Traveler
The first known use of formula weight was circa 1920

Dictionary Entries Near formula weight

Cite this Entry

“Formula weight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/formula%20weight. Accessed 5 Nov. 2024.

More from Merriam-Webster on formula weight

Love words? Need even more definitions?

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