Definition of microorganism
:an organism (such as a bacterium or protozoan) of microscopic or ultramicroscopic size
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Recent Examples of microorganism from the Web
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Up next, the scientists plan to test their machines in microorganisms and fish.
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This means that the patterns of how minerals occur and cluster together may be influenced by the rise of plant and animal life, as biological life (such as the presence of microorganisms) is thought to affect minerals.
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Any microorganisms that could have emerged in the past would be poisoned to death today.
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Indeed, the popularity of probiotics has grown so much in recent years that manufacturers have even added the microorganisms to cosmetics and mattresses.
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The popular frenzy surrounding probiotics is fueled in large part by surging scientific and public interest in the human microbiome: the overlapping ecosystems of bacteria and other microorganisms found throughout the body.
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According to a 2015 study in the International Journal of Environmental Research and Public Health, more microorganisms exist in the transport vehicles than in the water’s original source, thus transferring the organisms from truck to plane.
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The information will be used to develop a giant genetic map, or microbiome, that details the community of microorganisms that live on the surfaces of transportation hubs.
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Her findings strikingly shine a light on a handful of microorganisms that apparently separate the guts of elite athletes from average people.
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.
Origin and Etymology of microorganism
International Scientific Vocabulary
MICROORGANISM Defined for English Language Learners
MICROORGANISM Defined for Kids
Medical Dictionary
medical Definition of microorganism
:an organism of microscopic or ultramicroscopic size
Learn More about microorganism
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Spanish Central: Translation of microorganism Nglish: Translation of microorganism for Spanish speakers Britannica.com: Encyclopedia article about microorganism
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