Pasteur

American  

[pa-stur, pah-stœr] / pæˈstɜr, pɑˈstœr /

noun

1. Louis 1822–95, French chemist and bacteriologist.

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Pasteur British  

/ pastœr /

noun

1. Louis (lwi). 1822–95, French chemist and bacteriologist. His discovery that the fermentation of milk and alcohol was caused by microorganisms resulted in the process of pasteurization. He also devised methods of immunization against anthrax and rabies and pioneered stereochemistry

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Pasteur Scientific  

/ păs-tûr′ /

1. French chemist who founded modern microbiology. His early work with fermentation led him to invent the process of pasteurization. Pasteur established that microorganisms cause communicable diseases and infections.

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Other Word Forms

• Pasteurian adjective

Example Sentences

And Iran reported major damage to a century-old medical research center, the Pasteur Institute.

From Barron's • Apr. 2, 2026

"Detecting tuberculosis this far south in a pre-contact context is striking," says Nicolás Rascovan, head of the Microbial Paleogenomics Unit at Institut Pasteur.

From Science Daily • Mar. 21, 2026

Other scientists disparaged d’Hérelle’s theory of the invisible killers, but Eliava, visiting the Pasteur Institute later that decade, recognized the finding and conducted further experiments that proved d’Hérelle was right.

From Salon • Nov. 20, 2024

Last year, the Pasteur Institute won €2 million from the European Research Council to launch its IndexThePlanet project to catalog all data in the SRA.

From Science Magazine • Jun. 5, 2024

There’s even a bacterium named after Pasteur: Pasteurella multocida.

From "The Fourteenth Goldfish" by Jennifer L. Holm