Perrin

(redirected from Perrin, Jean Baptiste)
Also found in: Encyclopedia.

Perrin

(French pɛrɛ̃)
n
(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
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

Per•rin

(pɛˈrɛ̃)

n.
Jean Baptiste (ʒɑ̃) 1870–1942, French physicist: Nobel prize 1926.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.