disproportionation

noun dis·pro·por·tion·ation \ -ˌpȯr-shə-ˈnā-shən \

Definition of disproportionation

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

disproportionate

play \-ˈpȯr-shə-ˌnāt\ intransitive verb

First Known Use of disproportionation

circa 1929

in the meaning defined above

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