gastric antacid gastric acid • gastric artery · · · Info · Definitions · Synonyms · Characters · · gastric antacid · · Text Common · · Latin · · Scripts 15 · · Length 5 · · Syllables Definitions · · · (noun) an agent that counteracts or neutralizes acidity (especially in the stomach). Synonyms: antacid, gastric antacid, alkalizer, alkaliser, antiacid. · · Noun Definition 1 Synonyms · · · antacid · · Synonym 1 alkalizer · · Synonym 2 alkaliser · · Synonym 3 antiacid · · Synonym 4 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 g latin small letter g U+0067 i latin small letter i U+0069 n latin small letter n U+006E r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074