sarcoidosis

noun

sar·​coid·​o·​sis ˌsär-ˌkȯi-ˈdō-səs How to pronounce sarcoidosis (audio)
plural sarcoidoses ˌsär-ˌkȯi-ˈdō-ˌsēz How to pronounce sarcoidosis (audio)
: a chronic disease of unknown cause that is characterized by the formation of nodules especially in the lymph nodes, lungs, bones, and skin

Examples of sarcoidosis in a Sentence

Recent Examples on the Web
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Nelson is doing fine now In 2000, Nelson was diagnosed with HIV and sarcoidosis, a condition that went into remission until a severe case of Legionnaires’ disease in 2021 reactivated it, damaging both his lungs and liver. Mrigakshi Dixit, Interesting Engineering, 19 June 2026 Nelson was diagnosed with HIV and sarcoidosis in 2000. Tanya Lewis, Scientific American, 19 June 2026 According to the Mayo Clinic, sarcoidosis causes clusters of immune cells to form in the body, most often in the lungs and lymph nodes, and in some cases can lead to long-term organ damage. Angelique Brenes, PEOPLE, 1 May 2026 In 2010, the Hamden mother was diagnosed with sarcoidosis, an inflammatory disease that affects the lungs and lymph nodes. Katy Golvala, Hartford Courant, 5 Apr. 2026 See All Example Sentences for sarcoidosis

Word History

Etymology

sarcoid + -osis

First Known Use

1936, in the meaning defined above

Time Traveler
The first known use of sarcoidosis was in 1936

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Cite this Entry

“Sarcoidosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sarcoidosis. Accessed 26 Jun. 2026.

Medical Definition

sarcoidosis

noun
sar·​coid·​o·​sis ˌsär-ˌkȯid-ˈō-səs How to pronounce sarcoidosis (audio)
plural sarcoidoses -ˌsēz How to pronounce sarcoidosis (audio)
: a chronic disease of unknown cause that is characterized by the formation of nodules resembling true tubercles especially in the lymph nodes, lungs, bones, and skin

called also Boeck's disease, Boeck's sarcoid, lupus pernio

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