12 letters · 15 points in Scrabble
noun the act of prolonging something
noun amount or degree or range to which something extends
noun the consequence of being lengthened in duration
originFrom Middle English prolongacioun, from Old French prolongation, from Late Latin prōlongātiō, from prōlongātus, perfect passive participle of Latin prōlongō, from prō + longus. By surface analysis, prolong + -ation.
Etymology from Wiktionary, CC BY-SA 3.0