additives additively • additivity · · · Info · Definitions · Characters · · additives · · Text Latin · · Script 9 · · Length 4 · · Syllables Definitions · · · (noun) something added to enhance food or gasoline or paint or medicine. Synonyms: additive. · · Noun Definition 1 Characters · · a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 s latin small letter s U+0073 t latin small letter t U+0074 v latin small letter v U+0076