microorganism
noun
mi·cro·or·gan·ism
ˌmī-krō-ˈȯr-gə-ˌni-zəm 
: an organism (such as a bacterium or protozoan) of microscopic or ultramicroscopic size
Examples of microorganism in a Sentence
Recent Examples on the Web
Antimicrobial resistance occurs when the microorganisms that cause infections become resistant to antibiotics and antifungals, according to the Mayo Clinic.
—
Sabienna Bowman, Peoplemag, 16 May 2024
Composting Process: Solid waste begins to decompose inside the composting chamber, aided by aerobic bacteria and microorganisms that break down the waste into compost.
—Debbie Wolfe, Popular Science, 15 May 2024
Made by combining cooked rice with either rice koji (rice inoculated with the microorganism Aspergillus oryzae) or sake kasu (solids left over from sake production), amazake has a thick, porridge-like texture and lends creaminess and tang to this fruity shake.
—Osamu Yoshikawa, Saveur, 9 May 2024
Indeed, Paine and others were not thinking about microorganisms at all in their experiments.
—Lesley Evans Ogden, Smithsonian Magazine, 9 May 2024
Advertisement But the upcoming sweep of patent expirations is also set to impact biologic therapies — a class of drugs developed from living materials such as blood, proteins, plants, and microorganisms.
—Bruce Gil, Quartz, 8 May 2024
Yes—and HOCl is effective against bacteria and other microorganisms on the skin.
—Shannon M. Bauer, Health, 3 May 2024
The Food Safety Tips Every Home Cook Should Memorize
Le references one microorganism in particular (Zygosaccharomyces rouxii to be exact) that is often used to make soy sauce.
—Cori Sears, Better Homes & Gardens, 2 May 2024
Photograph: Dennis Kunkel/Science Photo Library/Science Source Fungi are an indispensable part of your microbiome, keeping the body’s host of microorganisms healthy as part of a system of checks and balances.
—Maggie Chen, WIRED, 19 Apr. 2024
Sabienna Bowman, Peoplemag, 16 May 2024
Composting Process: Solid waste begins to decompose inside the composting chamber, aided by aerobic bacteria and microorganisms that break down the waste into compost.
—Debbie Wolfe, Popular Science, 15 May 2024
Made by combining cooked rice with either rice koji (rice inoculated with the microorganism Aspergillus oryzae) or sake kasu (solids left over from sake production), amazake has a thick, porridge-like texture and lends creaminess and tang to this fruity shake.
—Osamu Yoshikawa, Saveur, 9 May 2024
Indeed, Paine and others were not thinking about microorganisms at all in their experiments.
—Lesley Evans Ogden, Smithsonian Magazine, 9 May 2024
Advertisement But the upcoming sweep of patent expirations is also set to impact biologic therapies — a class of drugs developed from living materials such as blood, proteins, plants, and microorganisms.
—Bruce Gil, Quartz, 8 May 2024
Yes—and HOCl is effective against bacteria and other microorganisms on the skin.
—Shannon M. Bauer, Health, 3 May 2024
The Food Safety Tips Every Home Cook Should Memorize
Le references one microorganism in particular (Zygosaccharomyces rouxii to be exact) that is often used to make soy sauce.
—Cori Sears, Better Homes & Gardens, 2 May 2024
Photograph: Dennis Kunkel/Science Photo Library/Science Source Fungi are an indispensable part of your microbiome, keeping the body’s host of microorganisms healthy as part of a system of checks and balances.
—Maggie Chen, WIRED, 19 Apr. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'microorganism.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near microorganism
Cite this Entry
“Microorganism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microorganism. Accessed 23 May. 2024.
Copy CitationKids Definition
microorganism
noun
mi·cro·or·gan·ism
ˌmī-krō-ˈȯr-gə-ˌniz-əm
: an organism (as a bacterium) of microscopic or less than microscopic size
Medical Definition
microorganism
noun
mi·cro·or·gan·ism
-ˈȯr-gə-ˌniz-əm
: an organism of microscopic or ultramicroscopic size
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