Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun alka-seltzer
1 sense of alka-seltzer
Sense 1
Alka-seltzer -- (a commercial antacid that contains aspirin; tablets dissolve in water to give an effervescent solution)
=> antacid, gastric antacid, alkalizer, alkaliser, antiacid -- (an agent that counteracts or neutralizes acidity (especially in the stomach))