parton

noun
par·​ton | \ ˈpär-ˌtän How to pronounce parton (audio) \

Definition of parton

: a particle (such as a quark or gluon) that is held to be a constituent of hadrons

First Known Use of parton

1969, in the meaning defined above

History and Etymology for parton

particle + -on entry 2

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The first known use of parton was in 1969

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