spirochetosis

noun

spi·​ro·​chet·​osis ˌspī-rə-ˌkē-ˈtō-səs How to pronounce spirochetosis (audio)
plural spirochetoses ˌspī-rə-ˌkē-ˈtō-ˌsēz How to pronounce spirochetosis (audio)
: infection with or a disease caused by spirochetes

Word History

Etymology

spirochete + -osis

First Known Use

1906, in the meaning defined above

Time Traveler
The first known use of spirochetosis was in 1906

Rhymes for spirochetosis

See All Rhymes for spirochetosis

Browse Nearby Words

spirochetic
spirochetosis
spirocyclic
See all Nearby Words

Cite this Entry

“Spirochetosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spirochetosis. Accessed 7 Jul. 2026.

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Medical Definition

spirochetosis

noun
spi·​ro·​chet·​osis
variants or chiefly British spirochaetosis
ˌspī-rə-ˌkēt-ˈō-səs How to pronounce spirochetosis (audio)
plural spirochetoses -ˌsēz How to pronounce spirochetosis (audio)
: infection with or a disease caused by spirochetes
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