Idempotent

idempotentti

(mathematics: an action which, when performed multiple time, has no further effect on its subject after the first time it is performed)

idempotentti

(mathematics: Said of an element of an algebraic structure with a binary operation: that when the element operates on itself, the result is equal to itself)

idempotentti

(Said of a binary operation: that all of the distinct elements it can operate on are idempotent)