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Pasteur

American  
[pa-stur, pah-stœr] / pæˈstɜr, pɑˈstœr /

noun

  1. Louis 1822–95, French chemist and bacteriologist.


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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.


Other Word Forms

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

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

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

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

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

From "City Spies" by James Ponti

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