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germ theory
noun
: a theory in medicine: infections, contagious diseases, and various other conditions result from the action of microorganisms
Examples of germ theory in a Sentence
Recent Examples on the Web
In the case of germ theory, early recommendations to prevent the spread of infection included reinstating quarantines at shipping ports and border crossings, thus impeding the international flow of trade.
—
Ron Barrett, The Conversation, 10 July 2024
Fortunately, for the bulk of Americans who heed germ theory, pasteurization appears completely effective at deactivating the virus in milk, according to thorough testing by the FDA.
—
Beth Mole, Ars Technica, 24 May 2024
The key drivers of this era were the steam engine, germ theory, electricity, and railroads.
—
Kevin Drum, Foreign Affairs, 14 June 2018
At the time, however, germ theory was still in its infancy, and doctors did not yet have antibiotics at their disposal.
—
Sarah Kuta, Smithsonian Magazine, 1 Feb. 2024
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These examples are programmatically compiled from various online sources to illustrate current usage of the word 'germ theory.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
First Known Use
1863, in the meaning defined above
Dictionary Entries Near germ theory
Cite this Entry
“Germ theory.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/germ%20theory. Accessed 26 Jul. 2024.
Kids Definition
germ theory
noun
: the theory that infectious and contagious disease results from the action of living things
Medical Definition
germ theory
noun
: a theory in medicine: infections, contagious diseases, and various other conditions (as suppurative lesions) result from the action of microorganisms
More from Merriam-Webster on germ theory
Britannica.com: Encyclopedia article about germ theory
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