microbiology
noun
mi·cro·bi·ol·o·gy
ˌmī-krō-bī-ˈä-lə-jē 
: a branch of biology dealing with microscopic forms of life
microbiological
adjective
or less commonly microbiologic
Examples of microbiology in a Sentence
Recent Examples on the Web
In the Greater San Diego fair, Olivia Liu from La Jolla Country Day School weighed the effectiveness of soap and alcohol in achieving healthy skin in the category of microbiology.
—
Noah Lyons, San Diego Union-Tribune, 12 Apr. 2026
These institutes became nodal points for microbiology, epidemiology, and vaccine research.
—Guy Vernet, STAT, 9 Apr. 2026
Mandy Joye, an oceanographer specializing in microbiology at the University of Georgia, has spent decades characterizing microbes in hydrocarbon-rich habitats across the Gulf.
—Jeffrey Marlow, New Yorker, 5 Apr. 2026
For professionals and instructors working in genetics, microbiology, or bioinformatics, this dimension of the research carries particular weight.
—Hanna Wickes, Kansas City Star, 6 Mar. 2026
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Noah Lyons, San Diego Union-Tribune, 12 Apr. 2026
These institutes became nodal points for microbiology, epidemiology, and vaccine research.
—Guy Vernet, STAT, 9 Apr. 2026
Mandy Joye, an oceanographer specializing in microbiology at the University of Georgia, has spent decades characterizing microbes in hydrocarbon-rich habitats across the Gulf.
—Jeffrey Marlow, New Yorker, 5 Apr. 2026
For professionals and instructors working in genetics, microbiology, or bioinformatics, this dimension of the research carries particular weight.
—Hanna Wickes, Kansas City Star, 6 Mar. 2026
See All Example Sentences for microbiology
Cite this Entry
“Microbiology.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microbiology. Accessed 20 Apr. 2026.
Copy CitationKids Definition
microbiology
noun
mi·cro·bi·ol·o·gy
ˌmī-krō-bī-ˈäl-ə-jē
: a branch of biology concerned especially with microscopic forms of life (as bacteria, protozoans, and viruses)
Medical Definition
microbiology
noun
mi·cro·bi·ol·o·gy
ˌmī-krō-bī-ˈäl-ə-jē
plural microbiologies
: a branch of biology dealing especially with microorganisms (as bacteria and protozoans)
microbiological
adjective
also microbiologic
microbiological contamination
microbiological research
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