10 letters · 12 points in Scrabble
noun the property of being truncated or short
noun the replacement of an edge or solid angle (as in cutting a gemstone) by a plane (especially by a plane that is equally inclined to the adjacent faces)
noun the act of cutting short
originFrom Late Latin truncātiō, from Latin truncāre, past participle truncātus (“to cut off”). By surface analysis, truncate + -ion.
Etymology from Wiktionary, CC BY-SA 3.0