idempotent

i dem po tent |ˈīdemˌpōtənt ˌaɪdɛmˈpoʊtənt |Mathematics ▶adjective denoting an element of a set that is unchanged in value when multiplied or otherwise operated on by itself. ▶noun an element of this type. ORIGIN late 19th cent.: from Latin idem ‘same ’ + potent 1 .

idempotent

idempotent |ˌʌɪdɛmˈpəʊt (ə )nt, ʌɪˈdɛmpət (ə )nt |Mathematics ▶adjective denoting an element of a set which is unchanged in value when multiplied or otherwise operated on by itself. ▶noun an idempotent element. ORIGIN late 19th cent.: from Latin idem ‘same ’ + potent 1 .