idem·po·tent
ˈī-dəm-ˌpō-tᵊnt

**:**relating to or being a mathematical quantity which when applied to itself under a given binary operation (such as multiplication) equals itself

also

**:**relating to or being an operation under which a mathematical quantity is idempotent
plural idempotents

**:**a mathematical quantity which when applied to itself under a given binary operation (such as multiplication) equals itself

also

**:**an operation under which a mathematical quantity is idempotentLove words? Need even more definitions?

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Merriam-Webster unabridged
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