| 释义 |
[ sem-ee-groop ] / ˈsɛm iˌgrup /
noun Mathematics.an algebraic system closed under an associative binary operation. Origin of semigroupFirst recorded in 1925–30; semi- + group Words nearby semigroupsemifluid, semiformal, semifreddo, semiglobular, semigloss, semigroup, semih., semihard, semihardy, semiheavy water, semi-independent Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |