antacid /ænˈtæsɪd/adjective 1noun 1forms 3 adjective1 •Counteracting or neutralizing acidity, especially in the stomach. noun1 •An agent that counteracts or neutralizes acidity, especially in the stomach.I'm on warm milk and laxatives Cherry-flavored antacids — 1993 formsantacids · more antacid · most antacid
