Definition of Poisson, Siméon-Denis in English:

Poisson, Siméon-Denis

proper noun

  • (1781–1840), French mathematical physicist. His major contributions were in probability theory, in which he greatly improved Laplace's work and developed several concepts that are now named after him.

Pronunciation:

Poisson, Siméon-Denis

/ˈpwʌsɒ̃/