anthrax
Americannoun
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an infectious, often fatal disease of cattle, sheep, and other mammals, caused by Bacillus anthracis, transmitted to humans by contaminated wool, raw meat, or other animal products.
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a malignant carbuncle that is the diagnostic lesion of anthrax disease in humans.
noun
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a highly infectious and often fatal disease of herbivores, esp cattle and sheep, characterized by fever, enlarged spleen, and swelling of the throat. Carnivores are relatively resistant. It is caused by the spore-forming bacterium Bacillus anthracis and can be transmitted to man
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a pustule or other lesion caused by this disease
Discover More
After the September 11 attacks (2001) in the United States, anthrax spores sent through the mail caused several fatalities.
If spores are prepared in a sophisticated way, they can stay in the air and be breathed in by human beings. Anthrax produced in this way is referred to as weaponized anthrax.
Other Word Forms
Etymology
Origin of anthrax
1350–1400; Middle English antrax malignant boil or growth < Latin anthrax carbuncle < Greek ánthrax a coal, carbuncle
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 permafrost melted, exposing in the process the frozen carcasses of reindeer who had died an estimated 150 years before thanks to an epidemic of anthrax.
From Salon • Apr. 24, 2025
The exact cause of the poisoning is unknown but tests have confirmed the presence of anthrax.
From BBC • Apr. 8, 2025
He addressed issues like anthrax, swine flu and Ebola — each time aiming to quell panic and communicate to the public by telling them what experts know and, perhaps more importantly, what they don’t know.
From Seattle Times • May 19, 2024
But at least in Uganda, many of the presumed cases have resulted in negative tests for anthrax, raising the possibility that a second disease is circulating.
From New York Times • Dec. 19, 2023
By contrast, swine, mainstays of European agriculture, transmit anthrax, brucellosis, leptospirosis, trichinosis, and tuberculosis.
From "1491" by Charles C. Mann
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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.