yersin yern • yersinia pestis · · · Info · Definitions · Characters · · yersin · · Text Latin · · Script 6 · · Length 2 · · Syllables Definitions · · · (noun) French bacteriologist born in Switzerland; was a student of Pasteur; discovered the plague bacillus (1863-1943). Synonyms: Yersin, Alexandre Yersin, Alexandre Emile Jean Yersin. · · Noun Definition 1 Characters · · e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E r latin small letter r U+0072 s latin small letter s U+0073 y latin small letter y U+0079