Lyme disease

noun

: an acute inflammatory disease that is caused by a spirochete (Borrelia burgdorferi) transmitted by ticks (genus Ixodes and especially I. dammini), 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

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 9 Dec. 2022.

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

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

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