(mathematics, computing) (said of a function) Such that, when performed multiple times on the same subject, it has no further effect on its subject after the first time it is performed.

(mathematics) An idempotent element. / (mathematics) An idempotent structure.

In an idempotent way.

plural of idempotent

(mathematics) Having idempotents

(rare) idempotence

(mathematics, computing) A quality of an action such that repetitions of the action have no further effect on outcome – being idempotent.

Idempotence.