Added 9 October 2026
commutative
adjective
adjective Definition from Wiktionary (CC BY-SA). More about commutative at Wordnik → Where our words come from →
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Such that the order in which the operands are taken does not affect their image under the operation.
Addition on the real numbers is commutative because for any real numbers s,t, it is true that s+t=t+s.
- Having a commutative operation.
- Such that any two sequences of morphisms with the same initial and final positions compose to the same morphism.
Origin
From French commuter (“to substitute or switch”) + -ative (“tending to”). See commute.
From Wiktionary, via Kaikki.org (CC BY-SA)