c. diphtheriae c. d. gibson • c. h. best · · · Info · Definitions · Characters · · c. diphtheriae · · Text Common · · Latin · · Scripts 14 · · Length 4 · · Syllables Definitions · · · (noun) a species of bacterium that causes diphtheria. Synonyms: Corynebacterium diphtheriae, C. diphtheriae, Klebs-Loeffler bacillus. · · Noun Definition 1 Characters · · space U+0020 . full stop U+002E a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 p latin small letter p U+0070 r latin small letter r U+0072 t latin small letter t U+0074