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[an-tee-kwawrk, -kwahrk, an-tahy-] /ˈæn tiˌkwɔrk, -ˌkwɑrk, ˈæn taɪ-/
noun, Physics.
the antiparticle of a quark.
Origin of antiquark Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for antiquark
  • Pull them apart and you pump enough energy into the system to make quark-antiquark pairs.
  • There are also hadrons called mesons, which are made of quark-antiquark pairs, an example of which is the pion.
  • Strange quark-antiquark pairs are constantly bubbling up in the proton.
  • Hadrons are not coupled directly to the muon, but a virtual photon in the soup can produce a virtual quark-antiquark pair.
  • The high energy density produced quark-antiquark electron-positron, and other particle-antiparticle pairs.
  • Every quark in this matter would have a symmetric antiquark to balance it.
  • Physicists concluded that the upsilon was made of a new quark, the bottom quark, and its antiquark.
British Dictionary definitions for antiquark


the antiparticle of a quark
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
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antiquark in Science
  (ān'tē-kwôrk', ān'tī-)   
The antiparticle that corresponds to a quark.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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