cycloaddition

[sahy-kloh-uh-dish-uh n, sik-loh-]

noun Chemistry.

the formation of a cyclic compound by the addition reaction of unsaturated molecules.

Origin of cycloaddition

First recorded in 1960–65; cyclo- + addition
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019