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

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

The idea of mirror life was first floated in 1860 by Louis Pasteur, of vaccination, fermentation and pasteurization fame.

From Salon • Jan. 18, 2025

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

The group claimed responsibility through a spokesman, Pasteur Habimana.

From "How Dare the Sun Rise" by Sandra Uwiringiyimana