11 letters · 25 points in Scrabble
verb treat (a chemical compound) with carboxyl or carboxylic acid
originEtymology tree English carboxylic acid Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-tós Proto-Indo-European *-eh₂tos Proto-Italic *-ātos Latin -ātuslbor. English -ate English carboxylate From carboxylic acid + -ate (verb-forming suffix).
Etymology from Wiktionary, CC BY-SA 3.0