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A hint of the Greek word bios, meaning "life", can be seen in microbe. Microbes, or microorganisms, include bacteria, protozoa, fungi, algae, amoebas, and slime molds. Many people think of microbes as simply the causes of disease, but every human is actually the host to billions of microbes, and most of them are essential to our life. Much research is now going into possible microbial sources of future energy; algae looks particularly promising, as do certain newly discovered or created microbes that can produce cellulose, to be turned into ethanol and other biofuels.
Examples of microbe in a Sentence
Harry Bernheim, The Conversation, 23 May 2025
The reason can be found in the concept of ‘permaculture,’ which advocates leaving natural grass and cover crops in place so more microbes and worms can flourish, providing natural nutrients.
—Forbes.com, 21 May 2025
Prebiotic Soda Prebiotic soda is a carbonated beverage that contains prebiotics (fiber that can feed the beneficial microbes in your gut).
—Lana Barhum, Verywell Health, 20 May 2025
Chang is the senior author on a study that looked at the effect diets might have on rebuilding the gut microbiome – the community of microbes living in the colon – after the sometimes devastating effects of antibiotics.
—Michael Franco
may 11, New Atlas, 11 May 2025
See All Example Sentences for microbe
Cite this Entry
“Microbe.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microbe. Accessed 2 Jun. 2025.
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microbe
noun
Medical Definition
microbe
noun
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