n.
Pronunciation: ' ī -d ə m- ˌ p ō -t ə nt
Function: adjective
Etymology: Latin idem same + potent-, potens having power ― more at POTENT
Date: 1870
: relating to or being a mathematical quantity which when applied to itself under a given binary operation (as multiplication) equals itself also : relating to or being an operation under which a mathematical quantity is idempotent
– idempotent noun