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

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

Researchers from the Institut Pasteur and Inserm have found that when mother mice consume dietary emulsifiers, it can negatively affect the gut microbiota of their offspring.

From Science Daily • Dec. 26, 2025

In a preclinical model, researchers at the Institut Pasteur and Inserm succeeded in triggering a strong anti-tumor immune reaction by altering how malignant B cells die.

From Science Daily • Nov. 21, 2025

In 1848, a young Frenchman named Louis Pasteur is still studying chemistry in Paris.

From "Phineas Gage" by John Fleischman