Definition of antiquark in English:

antiquark

Syllabification: an·ti·quark
Pronunciation: /ˈantēˌkwôrk, ˈantī-
 
/

noun

Physics
The antiparticle of a quark.
More example sentences
  • The proton consists of three quarks, two up and one down, living in a complicated soup of dynamical quarks, antiquarks and gluons, which have ‘colour’ charges.
  • A single quark will be surrounded by a sea of continuously appearing and annihilating virtual pairs of quarks and antiquarks, and virtual pairs of gluons and antigluons.
  • Kaons and pions are examples of particles known as mesons, which contain a quark and an antiquark.

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