vitamin vitameric • vitamin a · · · Info · Definitions · Characters · · vitamin · · Text Latin · · Script 7 · · Length 3 · · Syllables Definitions · · · (noun) any of a group of organic substances essential in small quantities to normal metabolism. · · Noun Definition 1 Characters · · a latin small letter a U+0061 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E t latin small letter t U+0074 v latin small letter v U+0076