mononucleosis

noun

mono·​nu·​cle·​o·​sis ˌmä-nə-ˌnü-klē-ˈō-səs How to pronounce mononucleosis (audio)
-ˌnyü-
: an abnormal increase of mononuclear white blood cells in the blood
specifically : infectious mononucleosis

Examples of mononucleosis 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.
Risk factors include having low vitamin D levels, smoking cigarettes, and having Epstein-Barr virus (EBV), which causes mononucleosis (mono). Brandi Jones, Msn-Ed, Rn-Bc, Health, 24 Sep. 2024 Smith missed five games in the middle of his rookie season with mononucleosis. Brad Biggs, Chicago Tribune, 18 Aug. 2024 Jones overcame a bout with mononucleosis six months ago, an illness that threatened to ruin his Olympic plans. Joseph Dycus, The Mercury News, 1 Aug. 2024 No treatment currently exists to directly treat mononucleosis. Anju Goel, Verywell Health, 25 Mar. 2024 See all Example Sentences for mononucleosis 

Word History

Etymology

New Latin, from International Scientific Vocabulary mononuclear + New Latin -osis

First Known Use

1902, in the meaning defined above

Time Traveler
The first known use of mononucleosis was in 1902

Dictionary Entries Near mononucleosis

Cite this Entry

“Mononucleosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mononucleosis. Accessed 21 Nov. 2024.

Medical Definition

mononucleosis

noun
mono·​nu·​cle·​o·​sis -ˌn(y)ü-klē-ˈō-səs How to pronounce mononucleosis (audio)
: an abnormal increase of mononuclear white blood cells in the blood
specifically : infectious mononucleosis

More from Merriam-Webster on mononucleosis

Last Updated: - Updated example sentences
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