plural pili
ˈpī-ˌlī 
: a hair or a structure (as on the surface of a bacterial cell) resembling a hair
Examples of pilus in a Sentence
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Maybe each of those growths, known as a pilus, was actually a wire that latched onto the rust, Dr. Lovley thought.
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New York Times, 1 July 2019
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New York Times, 1 July 2019
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“Pilus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pilus. Accessed 21 Dec. 2024.
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