aerobe

noun

aer·​obe ˈer-ˌōb How to pronounce aerobe (audio)
: an organism (such as a bacterium) that lives only in the presence of oxygen

Word History

Etymology

alteration (probably conformed to microbe) of French aérobie "living only in the presence of oxygen," from aéro- aero- + -bie (as in amphibie amphibious), borrowed from Greek -bios "having (such a) life," adjective derivative of bíos "life" — more at quick entry 1

First Known Use

1883, in the meaning defined above

Time Traveler
The first known use of aerobe was in 1883

Dictionary Entries Near aerobe

Cite this Entry

“Aerobe.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aerobe. Accessed 5 Mar. 2024.

Medical Definition

aerobe

noun
: an organism (as a bacterium) that lives only in the presence of oxygen

More from Merriam-Webster on aerobe

Love words? Need even more definitions?

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