u quark
Americannoun
Etymology
Origin of u quark
First recorded in 1975–80
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
As the u quark leaves the proton, a gluon creates a pair of virtual particles, a d quark and a d antiquark.
From Textbooks ● Aug. 12, 2015
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
