a network of lines that represents a series of emissions and absorptions of elementary particles by other elementary particles, from which the probability of the series can be calculated.
HEED THE VOX POPULI, AND TAKE THIS WORD OF THE DAY QUIZ!
Test your memory on these verbal firecrackers from the week of June 29 to July 5!
Question 1 of 7
Also called Feynman graph.
Origin of Feynman diagram
1965–70; named after R. P. Feynman, who devised it
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for feynman diagram
/ (ˈfaɪnmən) /
physics a graphical representation of the interactions between elementary particles
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for feynman diagram
A diagram used to help describe and visualize the possible interactions between particles in quantum electrodynamics and quantum chromodynamics. Fermions, such as electrons, are represented with straight lines and bosons, such as photons, with wavy lines. Points of intersection indicate an interaction, such as an electromagnetic interaction, between the particles.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.