racemism

racemism

[ras-uh-miz-uhm, rey-see-miz-uhm]
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.

Origin:
1895–1900; raceme + -ism

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World English Dictionary
racemic (rəˈsiːmɪk, -ˈsɛm-)
 
adj
chem of, concerned with, or being a mixture of equal amounts of enantiomers and consequently having no optical activity
 
[C19: from raceme (as in racemic acid) + -ic]
 
racemism
 
n

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