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

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

Molecular studies conducted at the Institut Pasteur, led by Pascal Pineau, show that pesticides can interfere with processes that maintain normal cell function and identity.

From Science Daily • Apr. 27, 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

Scientists from the Institut Pasteur have conducted a genetic analysis of the remains of soldiers who retreated from Russia in 1812.

From Science Daily • Oct. 26, 2025

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