10 letters · 14 points in Scrabble
noun a substance capable of reducing friction by making surfaces smooth or slippery
originEtymology tree English lubricate Proto-Indo-European *-tōr Proto-Italic *-tōr Latin -tor Latin -ātor Old French -eorbor. Middle English -our ▲ Latin -torlbor. English -or English lubricator From lubricate + -or.
Etymology from Wiktionary, CC BY-SA 3.0