tuberculosis

noun

tu·​ber·​cu·​lo·​sis tu̇-ˌbər-kyə-ˈlō-səs How to pronounce tuberculosis (audio)
tyu̇-
plural tuberculoses tu̇-ˌbər-kyə-ˈlō-ˌsēz How to pronounce tuberculosis (audio)
tyu̇-
: a highly variable communicable disease of humans and some other vertebrates that is caused by the tubercle bacillus and rarely in the U.S. by a related mycobacterium (Mycobacterium bovis), that affects especially the lungs but may spread to other areas (such as the kidney or spinal column), and that is characterized by fever, cough, difficulty in breathing, formation of tubercles, caseation, pleural effusions, and fibrosis

Examples of tuberculosis in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The process was named after French chemist and microbiologist Louis Pasteur, who refined the process to use in alcoholic beverages such as beer and wine, later adapting the method to milk as a way to remove bovine tuberculosis in the US and Europe in the early 1900s. Cnn.com Wire Service, The Mercury News, 13 Dec. 2024 Pompadour died of tuberculosis in 1764 and therefore passed too soon to experience the Dionysian thrill of eating tacos on a blanket. Daniel Rodgers, Vogue, 12 Dec. 2024 Most tuberculosis infections are asymptomatic and not contagious. Chris Morris, Fortune Well, 31 Oct. 2024 Wheat Ridge also hopes to work with the future owner to preserve and potentially adapt three historic buildings on the property: The Blue House, one of the first structures, was built in 1905 in an area where the hospital first used tents to treat tuberculosis patients. Sara B. Hansen, The Denver Post, 25 Oct. 2024 See all Example Sentences for tuberculosis 

Word History

Etymology

New Latin

First Known Use

1839, in the meaning defined above

Time Traveler
The first known use of tuberculosis was in 1839

Dictionary Entries Near tuberculosis

Cite this Entry

“Tuberculosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tuberculosis. Accessed 6 Jan. 2025.

Kids Definition

tuberculosis

noun
tu·​ber·​cu·​lo·​sis t(y)u̇-ˌbər-kyə-ˈlō-səs How to pronounce tuberculosis (audio)
: a disease of human beings and some other vertebrates caused by a bacterium and usually marked by wasting, fever, and formation of cheesy tubercles that in human beings occur mostly in the lungs
tuberculous
t(y)u̇-ˈbər-kyə-ləs
adjective

Medical Definition

tuberculosis

noun
tu·​ber·​cu·​lo·​sis t(y)u̇-ˌbər-kyə-ˈlō-səs How to pronounce tuberculosis (audio)
plural tuberculoses -ˌsēz How to pronounce tuberculosis (audio)
: a usually chronic highly variable disease that is caused by a bacterium of the genus Mycobacterium (M. tuberculosis) and rarely in the United States by a related mycobacterium (M. bovis), is usually communicated by inhalation of the airborne causative agent, affects especially the lungs but may spread to other areas (as the kidney or spinal column) from local lesions or by way of the lymph or blood vessels, and is characterized by fever, cough, difficulty in breathing, inflammatory infiltrations, formation of tubercles, caseation, pleural effusion, and fibrosis

called also TB

More from Merriam-Webster on tuberculosis

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!