Noun: Alka-Seltzer ,al-ku'sel-tsu(r)
- An effervescent antacid and pain reliever containing aspirin, sodium bicarbonate, and citric acid that dissolves in water
"He dropped an Alka-seltzer tablet in water to relieve his upset stomach"
Type of: alkaliser [Brit], alkalizer, antacid, antiacid [rare], gastric antacid
Encyclopedia: Alka-Seltzer