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semigroup

American

[sem-ee-groop] / ˈsɛm iˌgrup /

noun

Mathematics.

an algebraic system closed under an associative binary operation.

Etymology

Origin of semigroup

First recorded in 1925–30; semi- + group

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

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.