9 letters · 17 points in Scrabble
noun the bivalent radical CH2 derived from methane
originEtymology tree French méthylène English methylene French méthylène, from Ancient Greek μέθυ (méthu, “wine”) + ὕλη (húlē, “wood”). By surface analysis, meth- + -ylene.
Etymology from Wiktionary, CC BY-SA 3.0