microorganism

noun

Save Word

mi·cro·or·gan·ism | \ ˌmī-krō-ˈȯr-gə-ˌni-zəm

Definition of microorganism

: an organism (such as a bacterium or protozoan) of microscopic or ultramicroscopic size

Examples of microorganism in a Sentence

Recent Examples on the Web Cells are equipped with multiple alarms that signal the presence of an invading microorganism or inappropriate cell damage. — William A. Haseltine, Forbes, 21 Apr. 2022 However, the company had not identified the microorganism that might have contaminated the potatoes at the time of the recall announcement. — Chris Smith, BGR, 12 July 2022 Bed bugs have been suspected in the transmission of more than 40 disease organisms, but there is little evidence bed bugs transmit human pathogens, with the possible exception of the microorganism that causes Chagas disease. — Jerome Goddard, The Conversation, 3 June 2022 This supplement includes Lactobacillus acidophilus, a beneficial microorganism that aids in digestion. — The Salt Lake Tribune, 13 June 2022 When the microorganism is detected, product recalls follow. — Chris Smith, BGR, 29 May 2022 The microorganism can be found in all sorts of food products, including snacks. — Chris Smith, BGR, 29 Apr. 2022 Both disinfect by oxidizing the cell membrane of microorganism, a process by which their molecules receive electrons from those membranes. — Wes Siler, Outside Online, 28 Apr. 2020 Its product is derived from mycelium, the fungal microorganism that makes up mushrooms. — Justin Ray, Los Angeles Times, 7 Mar. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'microorganism.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.