Pasteur
Americannoun
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Louis 1822–95, French chemist and bacteriologist.
noun
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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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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
- Pasteurian adjective
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.
And Iran reported major damage to a century-old medical research center, the Pasteur Institute.
From Barron's • Apr. 2, 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
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
He had been forged, by that deluded old teacher, into a sort of Pasteur or Curie or patient discoverer of insulin.
From "The Once and Future King" by T. H. White
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.