Poisson

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Poisson

/ˈpwɑː.sɒn/ UK
/ˈpwɑː.sɒ̃/ UK
/ˈpwɑ.sɒn/ US

Where it comes from

Unadapted borrowing from French Poisson. The noun sense is named after French mathematician Siméon Denis Poisson (1781–1840).

proper noun

A surname in French

noun Poissons

The Poisson distribution.

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Cite this

MLA

"Poisson." Wiktionary, via Micwyn, micwyn.com/word/poisson. Accessed 6 Nov. 2026.

APA

Poisson. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/poisson

Chicago

"Poisson." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/poisson.

BibTeX

@misc{poisson_2026,
  title = {Poisson},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/poisson},
  urldate = {2026-11-06}
}