pilus

noun
pi·​lus | \ ˈpī-ləs How to pronounce pilus (audio) \
plural pili\ ˈpī-​ˌlī How to pronounce pilus (audio) \

Definition of pilus

: a hair or a structure (as on the surface of a bacterial cell) resembling a hair

Examples of pilus in a Sentence

Recent Examples on the Web Maybe each of those growths, known as a pilus, was actually a wire that latched onto the rust, Dr. Lovley thought. New York Times, 1 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pilus.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of pilus

1760, in the meaning defined above

History and Etymology for pilus

Latin

Learn More About pilus

Dictionary Entries Near pilus

pilum

pilus

pilwillet

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Cite this Entry

“Pilus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pilus. Accessed 4 Dec. 2021.

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More Definitions for pilus

pilus

noun
pi·​lus | \ ˈpī-ləs How to pronounce pilus (audio) \
plural pili\ -​ˌlī How to pronounce pilus (audio) \

Medical Definition of pilus

: a hair or a structure (as on the surface of a bacterial cell) resembling a hair

More from Merriam-Webster on pilus

Britannica.com: Encyclopedia article about pilus

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