antiacid antiabsolutist • antiadiaphorist · · · Info · Definitions · Synonyms · Characters · · antiacid · · Text Latin · · Script 8 · · Length Definitions · · · (noun) an agent that counteracts or neutralizes acidity (especially in the stomach). Synonyms: antacid, gastric antacid, alkalizer, alkaliser. · · Noun Definition 1 Synonyms · · · antacid · · Synonym 1 gastric antacid · · Synonym 2 alkalizer · · Synonym 3 alkaliser · · Synonym 4 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 i latin small letter i U+0069 n latin small letter n U+006E t latin small letter t U+0074