Lyme disease

noun
\ˈlīm- \

Definition of Lyme disease 

: 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

First Known Use of Lyme disease

1979, in the meaning defined above

History and Etymology for Lyme disease

Lyme, Connecticut, where it was first reported

Keep scrolling for more

Learn More about Lyme disease

Share Lyme disease

Dictionary Entries near Lyme disease

Lymantria

lymantriid

Lymantriidae

Lyme disease

lyme grass

lymph

lymph-

Statistics for Lyme disease

Look-up Popularity

Time Traveler for Lyme disease

The first known use of Lyme disease was in 1979

See more words from the same year

Keep scrolling for more

More Definitions for Lyme disease

Lyme disease

noun

Medical Definition of Lyme disease 

: 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

Nglish: Translation of Lyme disease for Spanish Speakers

Comments on Lyme disease

What made you want to look up Lyme disease? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

having a pattern of small flowers

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

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