[buh-rel-ee-uh, -rel-yuh, -ree-lee-uh, -reel-yuh]

noun Bacteriology.

any of several spiral, parasitic bacteria of the genus Borrelia, certain species of which are pathogenic for humans, other mammals, or birds.

Nearby words

  1. borosilicic acid,
  2. borotra,
  3. borough,
  4. borough hall,
  5. borough-english,
  6. borrelia burgdorferi,
  7. borreliosis,
  8. borromini,
  9. borromini, francesco,
  10. borrovian

Origin of borrelia

< New Latin (1907), named after Amédée Borrel (died 1936); see -ia Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for borrelia


[bə-rēlē-ə, -rĕlē-ə]


A genus of parasitic irregularly coiled helical spirochetes, some species of which cause relapsing fever in humans.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.