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cycloaddition

[ sahy-kloh-uh-dish-uhn, sik-loh- ]
/ ˌsaɪ kloʊ əˈdɪʃ ən, ˌsɪk loʊ- /
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noun Chemistry.
the formation of a cyclic compound by the addition reaction of unsaturated molecules.
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Origin of cycloaddition

First recorded in 1960–65; cyclo- + addition
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
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