microbe

noun

mi·​crobe ˈmī-ˌkrōb How to pronounce microbe (audio)
microbial adjective
or less commonly microbic
microbially adverb

Did you know?

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

Recent Examples on the Web The finding validates that this century-and-a-half-old technique can protect humans from infectious microbes. Lauren J. Young, Scientific American, 2 July 2024 Now, researchers have figured out the secret behind their uncanny power to demolish even large wooden structures: symbiotic microbes growing in shipworms’ guts. Erin Blakemore, Washington Post, 16 June 2024 Research has suggested that people who grow up on farms, for instance, have lower rates of Crohn’s disease, asthma and allergies, likely because of their exposure to a diverse array of microbes. Holly Burns, San Diego Union-Tribune, 11 June 2024 In other words, there’s a very small chance that human poop microbes could interfere with alien moon life. Becky Ferreira, WIRED, 25 June 2024 See all Example Sentences for microbe 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'microbe.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

International Scientific Vocabulary micr- + Greek bios life — more at quick entry 1

First Known Use

1878, in the meaning defined above

Time Traveler
The first known use of microbe was in 1878

Dictionary Entries Near microbe

Cite this Entry

“Microbe.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microbe. Accessed 15 Jul. 2024.

Kids Definition

microbe

noun
mi·​crobe ˈmī-ˌkrōb How to pronounce microbe (audio)
microbial adjective
also microbic

Medical Definition

microbe

noun
mi·​crobe ˈmī-ˌkrōb How to pronounce microbe (audio)
: microorganism, germ
used especially of pathogenic bacteria

More from Merriam-Webster on microbe

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