[pyer see-mawn] /pyɛr siˈmɔ̃/ (Show IPA), Marquis de, 1749–1827, French astronomer and mathematician.
British Dictionary definitions for Laplace
Laplace
/French laplas/
noun
1.
Pierre Simon (pjɛr simɔ̃), Marquis de Laplace. 1749–1827, French mathematician, physicist, and astronomer. He formulated the nebular hypothesis (1796). He also developed the theory of probability
Word Origin and History for Laplace
in scientific phrases, a reference to French astronomer and mathematician Pierre Simon, Marquis de Laplace (1749-1827).
Laplace in Science
Laplace
(lə-pläs', lä-) French mathematician and astronomer noted for his theory of a nebular origin of the solar system and his investigations into gravity and the stability of planetary motion. He also made important contributions to the theory of probability.