8 letters · 9 points in Scrabble
noun a negative statement; a statement that is a refusal or denial of some other statement
noun the speech act of negating
noun (logic) a proposition that is true if and only if another proposition is false
originFrom Middle English negacioun, from Old French negacion, from Latin negātiō (“a denial; negative word”). Morphologically negate + -ion.
Etymology from Wiktionary, CC BY-SA 3.0