| 释义 | 
		Definition of antiquark in English: antiquarknounˈantɪkwɑːk Physics The antiparticle of a quark.  Example sentencesExamples -  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.
 -  A neutral pion consists of a down quark and a down antiquark.
 -  Kaons and pions are examples of particles known as mesons, which contain a quark and an antiquark.
 -  I've labeled the charges as q and q-bar for quark and antiquark, but that's modern terminology that might not have been present in the early days of string theory.
 
    Definition of antiquark in US English: antiquarknounˈan(t)ēˌkwärk Physics The antiparticle of a quark.  Example sentencesExamples -  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.
 -  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.
 -  Kaons and pions are examples of particles known as mesons, which contain a quark and an antiquark.
 -  I've labeled the charges as q and q-bar for quark and antiquark, but that's modern terminology that might not have been present in the early days of string theory.
 -  A neutral pion consists of a down quark and a down antiquark.
 
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