Definition of non-commutative in English:

non-commutative

adjective

Mathematics
  • Not obeying the commutative law; (of a binary operation) giving a result that depends on the order of the quantities involved.

Origin

Mid 19th century; earliest use found in Proceedings of the Royal Society of London. From non- + commutative.

Pronunciation

non-commutative

/ˌnɒnˈkɒmjʊteɪtɪv//ˌnɒnˈkɒmjʊtətɪv//ˌnɒnkəˈmjuːtətɪv/