vitamin b12 vitamin b1 • vitamin b2 · · · Info · Definitions · Synonyms · Characters · · vitamin b12 · · Text Common · · Latin · · Scripts 11 · · Length 4 · · Syllables Definitions · · · (noun) a B vitamin that is used to treat pernicious anemia. Synonyms: vitamin B12, cobalamin, cyanocobalamin, antipernicious anemia factor. · · Noun Definition 1 Synonyms · · · cobalamin · · Synonym 1 cyanocobalamin · · Synonym 2 antipernicious anemia factor · · Synonym 3 Characters · · space U+0020 1 digit one U+0031 2 digit two U+0032 a latin small letter a U+0061 b latin small letter b U+0062 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