: an anaerobic organism

Examples of anaerobe in a Sentence

Recent Examples on the Web The good bacteria are called lactobacilli; the harmful bacteria are anaerobes. Dominique Fluker, Essence, 6 Oct. 2023 In our lecture on the spore-forming obligate anaerobe Clostridium botulinum, the organism responsible for the production of the botulism toxin, our professor noted that several cases of botulism in Alaskan Natives occurred as a result of changing methods of fermenting meat. Rebecca Kreston, Discover Magazine, 14 Aug. 2011 Eventually Stewart took over Bengtson’s work in anaerobes, organisms that survive without oxygen. Leila McNeill, Smithsonian, 17 June 2019 Moeller and his colleagues noticed that obligate anaerobes, bacteria that can only survive in an oxygen-free environment, tended to pass from mouse mothers to their offspring but not between other mice through the environment. Kiona N. Smith, Ars Technica, 26 Oct. 2018 In its four hours in the colon, the pill recorded elevated levels of O2, which could mess up anaerobes. Beth Mole, Ars Technica, 9 Jan. 2018

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'anaerobe.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


International Scientific Vocabulary

First Known Use

1881, in the meaning defined above

Time Traveler
The first known use of anaerobe was in 1881

Dictionary Entries Near anaerobe

Cite this Entry

“Anaerobe.” Dictionary, Merriam-Webster, Accessed 2 Dec. 2023.

Kids Definition


an·​aer·​obe ˈan-ə-ˌrōb How to pronounce anaerobe (audio)
: an anaerobic organism

Medical Definition


: an anaerobic organism

More from Merriam-Webster on anaerobe

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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