- Siméon Denis (simeɔ̃ dəni). 1781–1840, French mathematician, noted for his application of mathematical theory to physics, esp electricity and magnetism
Examples from the Web for poisson
Poisson was seized with consternation, and he could not find a word to say in the Emperor's defense.
It was much too convenient, especially with Poisson on duty every other night.
Poisson, who had been on board ship nodded his head in approval of the description.
A sight like that had naturally brought Poisson out of his shell.
"It's becoming serious," declared Poisson, who seldom spoke.