| Acidulate (v. t.) To make sour or acid in a moderate degree; to sour somewhat. Thesaurus Entries acetify, acidulate, alkalify, alkalize, borate, carbonate, catalyze, chemical, chlorinate, electrolyze, ferment, homopolymerize, hydrate, hydrogenate, hydroxylate, isomerize, nitrate, oxidize, pepsinate, peroxidize, phosphatize, polymerize, reduce, sour, sulfate, sulfatize, sulfonate, turn sour, work |