mi·​cro·​bi·​ol·​o·​gy | \ ˌmī-krō-bī-ˈä-lə-jē \

Definition of microbiology

: a branch of biology dealing with microscopic forms of life

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Other Words from microbiology

microbiological \ -​ˌbī-​ə-​ˈlä-​ji-​kəl \ or less commonly microbiologic \ -​ˈlä-​jik \ adjective
microbiologically \ -​ji-​k(ə-​)lē \ adverb
microbiologist \ -​bī-​ˈä-​lə-​jist \ noun

Examples of microbiology in a Sentence

Recent Examples on the Web

The flu virus is covered in proteins shaped like mushrooms, said Florian Krammer, one of the Sinai researchers and a professor of microbiology. WSJ, "New Ideas to Fight the Flu," 20 Nov. 2018 There’s no need for exotic ingredients, fancy equipment or a degree in soil microbiology to put together a pile that yields quality compost and is not unpleasantly aromatic. Lee Reich, The Seattle Times, "Fall is the perfect time to build a compost bin," 16 Oct. 2018 Understanding which species might grow and feed on different areas of a painting can help museums preserve artwork against the ravages of time and microbiology. Kiona N. Smith, Ars Technica, "What’s eating this 400-year-old painting? A whole ecosystem of microbes," 11 Dec. 2018 Yiping Han, a professor in dental medicine and microbiology at Columbia University in New York City, who was also not involved in the research, told CBS News that the oral microbiome could be influenced by several factors. Jason Lemon, ajc, "Heavy drinking may increase 'bad' bacteria in your mouth, study finds," 30 Apr. 2018 Classes included anatomy, chemistry, microbiology and public health. Lucette Lagnado, WSJ, "A Sisterhood of Nurses," 11 Aug. 2018 His idea that microorganisms are necessary to good health, and that beneficial microbiota are pathogenic under the wrong conditions or in the wrong place, is now the standard view of researchers who study the microbiology of animals and plants. Jason Pontin, WIRED, "The 19th-Century Crank Who Tried to Tell Us About the Microbiome," 15 June 2018 Should every new arrival be checked, with skin and gut swabs and lab tests, as part of hospital admission? Screening won’t be a perfect defense, because clinical microbiology is struggling with this bug. Maryn Mckenna, WIRED, "The Strange and Curious Case of the Deadly Superbug Yeast," 13 July 2018 These canals are specifically designed to help catch water and irrigate the crops, Michael Doyle, Ph.D., regents professor of food microbiology at the University of Georgia’s Center for Food Safety, tells SELF. Korin Miller, SELF, "Officials Think They’ve Finally Found the Source of the Romaine Lettuce E. Coli Outbreak," 2 July 2018

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

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First Known Use of microbiology

1880, in the meaning defined above

History and Etymology for microbiology

International Scientific Vocabulary

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Statistics for microbiology

Last Updated

15 Feb 2019

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Time Traveler for microbiology

The first known use of microbiology was in 1880

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More Definitions for microbiology



English Language Learners Definition of microbiology

: a science that studies extremely small forms of life (such as bacteria and viruses)


mi·​cro·​bi·​ol·​o·​gy | \ ˌmī-krō-bī-ˈäl-ə-jē \
plural microbiologies

Medical Definition of microbiology

: a branch of biology dealing especially with microorganisms (as bacteria and protozoans)

Other Words from microbiology

microbiological \ ˈmī-​krō-​ˌbī-​ə-​ˈläj-​i-​kəl \ also microbiologic \ -​ˈläj-​ik \ adjective
microbiological contamination microbiological research
microbiologically \ -​i-​k(ə-​)lē \ adverb
microbiologically safe water

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More from Merriam-Webster on microbiology

Rhyming Dictionary: Words that rhyme with microbiology

Spanish Central: Translation of microbiology

Nglish: Translation of microbiology for Spanish Speakers

Britannica.com: Encyclopedia article about microbiology

Comments on microbiology

What made you want to look up microbiology? Please tell us where you read or heard it (including the quote, if possible).


to deny responsibility for

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