[{"Bold_text": "noun", "List Items": ["Also called potash alum potash alum,a crystalline solid, aluminum potassium sulfate, K2SO4?Al2(SO4)3?24H2O, used in medicine as an astringent and styptic, in dyeing and tanning, and in many technical processes.", "one of a class of double sulfates analogous to aluminum potassium sulfate, as aluminum ammonium sulfate, having the general formula R2SO4?X2(SO4)3?24H2O, where R is a univalent alkali metal or ammonium, and X one of a number of trivalent metals.", "(not in technical use) aluminum sulfate(def) aluminum sulfate(def)."]}, {"Bold_text": "noun", "List Items": ["an alumna alumnus :Nearly 45 of us alums went on a day trip on the river to celebrate graduation."]}, {"Bold_text": "abbreviation for", "List Items": ["aluminum."]}]