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Poisson, Siméon-Denis Line breaks: Siméon-Denis Pois|son
Pronunciation: /ˈpwʌsɒ̃/

Definition of Poisson, Siméon-Denis in English:

( 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.

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Pronunciation: ləks
expensive and of high quality; luxurious