Poisson

British

/ pwasɔ̃ /

noun

Siméon Denis (simeɔ̃ dəni). 1781–1840, French mathematician, noted for his application of mathematical theory to physics, esp electricity and magnetism

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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Poisson

Computer simulations showed the structures as swirling arrays of arrows that illustrate how different properties of light change direction across the Poisson spot.

From Science Daily ● Jul. 13, 2026

The Poisson spot played an important role in the early 19th century debate over the nature of light.

From Science Daily ● Jul. 13, 2026

Observing the Poisson spot provided convincing evidence that light undergoes diffraction, meaning it bends and spreads as it passes around objects or through small openings.

From Science Daily ● Jul. 13, 2026

This season, Macha and SPT will co-sponsor the West Coast premiere of “Macbeth: A Rock Musical,” an all-female take on Shakespeare, with Poisson directing, and local punk band Atrocity Girl as the witches.

From Seattle Times ● Aug. 9, 2023

Sam said, “The time Diana Poisson beat her and she squirted her water bottle into Diana’s face.”

From "Burning Blue" by Paul Griffin

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023