Lyme disease

noun

: an acute inflammatory disease that is caused by spirochetes (genus Borrelia, especially B. burgdorferi) transmitted by ticks (genus Ixodes and especially I. scapularis), that is usually characterized initially by a spreading red annular erythematous skin lesion and by fatigue, fever, and chills, and that if left untreated may later manifest itself in joint pain, arthritis, and cardiac and neurological disorders

called also Lyme\ ˈlīm How to pronounce Lyme disease (audio) \

Examples of Lyme disease in a Sentence

Recent Examples on the Web Only two life forms — lactobacilli, found in yogurt, and Borrelia burgdorferi, which is responsible for Lyme disease — are currently not dependent on iron. Hannah Peart, NBC News, 22 Oct. 2024 Within that group, 41% also had Lyme disease, almost 4% had ehrlichiosis, and a tiny portion, 0.3%, had anaplasmosis. Sherri Gordon, Health, 18 Oct. 2024 Of those, 41% also had Lyme disease; 3.7% had ehrlichiosis; and 0.3% had anaplasmosis. Jeffrey Kluger, TIME, 16 Oct. 2024 And the truth is, wearing repellent can save your life, protecting you against West Nile virus and Lyme disease, just to name a few of the pathogens mosquitos and ticks can pass on. Kristin Canning, WIRED, 14 Oct. 2024 See all Example Sentences for Lyme disease 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'Lyme disease.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Lyme, Connecticut, where it was first reported

First Known Use

1979, in the meaning defined above

Time Traveler
The first known use of Lyme disease was in 1979

Dictionary Entries Near Lyme disease

Cite this Entry

“Lyme disease.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Lyme%20disease. Accessed 31 Oct. 2024.

Kids Definition

Lyme disease

noun
: a serious disease that is caused by a bacterium transmitted by some ticks, that is often characterized at first by a spreading red patch on the skin, and that may result in joint pain and disorders of the heart and nervous system if left untreated
Etymology

from Lyme, Connecticut, where the disease was first reported

Medical Definition

Lyme disease

noun
: an acute inflammatory disease that is usually characterized initially by the skin lesion erythema migrans and by fatigue, fever, and chills and if left untreated may later manifest itself in cardiac and neurological disorders, joint pain, and arthritis and that is caused by a spirochete of the genus Borrelia (B. burgdorferi) transmitted by the bite of a tick especially of the genus Ixodes (I. scapularis synonym I. dammini in the eastern and midwestern United States, I. pacificus especially in some parts of the Pacific coastal states of the United States, and I. ricinus in Europe)

called also Lyme, Lyme borreliosis

More from Merriam-Webster on Lyme disease

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