14 letters · 25 points in Scrabble
noun a B vitamin that is used to treat pernicious anemia
originEtymology tree Ancient Greek κῠ́ᾰνος (kŭ́ănos) Ancient Greek -εος (-eos) Ancient Greek κῠᾰ́νεος (kŭắneos)der. English cyano- English cobalamin English cyanocobalamin From cyano- + cobalamin.
Etymology from Wiktionary, CC BY-SA 3.0