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

See Examples For:

Pasteur

The WHO said they were in a stable condition and tests were being sent to the Institut Pasteur in Dakar.

From Barron's ● May 5, 2026

Bioinformatic analysis by collaborator Daniela Megrian from the Institut Pasteur in Montevideo, Uruguay, helped clarify how the CorMR system came to be.

From Science Daily ● Apr. 20, 2026

Iranian state television said Pezeshkian was "safe and sound", while the Fars news agency said "missile impacts were reported in the Keshvardoost and Pasteur districts" of Tehran.

From Barron's ● Feb. 28, 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

As John recalled, Cushing thought this development could be “as important as, if not more important than, Pasteur and bacteriology.”

From "Big Science" by Michael Hiltzik