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

Smoke was rising over Tehran's Pasteur district, site of the home of Khamenei, and there was a huge security deployment in the capital.

From Barron's ● Feb. 28, 2026

"These Asgard archaea are often missed by low-coverage sequencing," said co-author Kathryn Appler, a postdoctoral researcher at the Institut Pasteur in Paris, France.

From Science Daily ● Feb. 20, 2026

Second, Louis Pasteur advanced the germ theory of disease, which postulated that microbes can cause illness.

From Salon ● Jan. 27, 2025

Unlike the previous day, Monty was across town participating in a symposium at the Pasteur Institute.

From "City Spies" by James Ponti