9 letters · 11 points in Scrabble
adjective equal to zero when raised to a certain power
originFrom nil (“not any”) + potent (“having power”) with literal meaning “having zero power” - bearing Latin roots nil and potens. Coined in 1870, along with idempotent, by American mathematician Benjamin Peirce to describe elements of associative algebras.
Etymology from Wiktionary, CC BY-SA 3.0