pasteur pasterned • Pasteurella · · · Info · Definitions · Characters · · pasteur · · Text Latin · · Script 7 · · Length Definitions · · · (noun) French chemist and biologist whose discovery that fermentation is caused by microorganisms resulted in the process of pasteurization (1822-1895). Synonyms: Pasteur, Louis Pasteur. · · Noun Definition 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075