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(French pɛrɛ̃)
(Biography) Jean Baptiste (ʒɑ̃ batist). 1870–1942, French physicist. His researches on the distribution and diffusion of particles in colloids (1911) gave evidence for the physical reality of molecules, confirmed the explanation of Brownian movement in terms of kinetic theory, and determined the magnitude of the Avogadro constant. He also studied cathode rays: Nobel prize for physics 1926



Jean Baptiste (ʒɑ̃) 1870–1942, French physicist: Nobel prize 1926.
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The reader knows the manner of death of Robert de Clermont, Marshal of France, and of Jean de Châlons, Marshal of Champagne; and yet the question was only of a certain Perrin Marc, the clerk of a money-changer, a miserable assassin; but the two marshals had broken the doors of St.
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