noun Physics.

a constituent of the nucleon originally postulated in the theoretical analysis of high-energy scattering of electrons by nucleons and subsequently identified with quarks and gluons.

Origin of parton

1965–70; part(icle) + -on1; coined by R. P. Feynman Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for parton

Historical Examples of parton

British Dictionary definitions for parton



physics a hypothetical elementary particle postulated as a constituent of neutrons and protons

Word Origin for parton

from part + -on



Dolly. born 1946, US country and pop singer and songwriter
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