12 letters · 25 points in Scrabble
noun any salt or ester of hypochlorous acid
originEtymology tree Proto-Indo-European *upó Ancient Greek ῠ̔πό (hŭpó) Ancient Greek ὑπο- (hupo-)der. English hypo- English chlorite English hypochlorite From hypo- + chlorite.
Etymology from Wiktionary, CC BY-SA 3.0