lep·​to·​spire ˈlep-tə-ˌspī(-ə)r How to pronounce leptospire (audio)
: any of a genus (Leptospira) of slender aerobic spiral-shaped spirochetes that are free-living or parasitic in mammals
leptospiral adjective

Word History


New Latin Leptospira, from Greek leptos + Latin spira coil — more at spire

First Known Use

1952, in the meaning defined above

Time Traveler
The first known use of leptospire was in 1952

Dictionary Entries Near leptospire

Cite this Entry

“Leptospire.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/leptospire. Accessed 20 Apr. 2024.

Medical Definition


lep·​to·​spire ˈlep-tə-ˌspī(ə)r How to pronounce leptospire (audio)
: any spirochete of the genus Leptospira

called also leptospira

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