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racemism

American

[ras-uh-miz-uhm, rey-see-miz-uhm] / ˈræs əˌmɪz əm, reɪˈsi mɪz əm /

noun

Chemistry.

(of a compound) the state of being optically inactive and separable into two other substances of the same chemical composition as the original substance, one of which is dextrorotatory and the other levorotatory, as racemic acid.

First recorded in 1895–1900; raceme + -ism

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023