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Adjective: antacid  ant'a-sid
  1. Acting to neutralize acid (especially in the stomach)
    "He took an antacid tablet to relieve his heartburn"
Noun: antacid  ant'a-sid
  1. An agent that counteracts or neutralizes acidity (especially in the stomach)
    "He took an antacid tablet to relieve his indigestion";
    - gastric antacid, alkalizer, alkaliser [Brit], antiacid [rare]

Derived forms: antacids

See also: antagonistic, incompatible

Type of: agent

Encyclopedia: Antacid