disproportionation

noun

: the transformation of a substance into two or more dissimilar substances usually by simultaneous oxidation and reduction

Word History

First Known Use

circa 1929, in the meaning defined above

Time Traveler
The first known use of disproportionation was circa 1929

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Cite this Entry

“Disproportionation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/disproportionation. Accessed 7 Jul. 2026.

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