Simple Definition of quark

from our Learner's Dictionary

quark

noun

ˈkwoɚk How to pronounce quark (audio)
plural quarks
physics : any one of several types of very small particles that make up matter

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“Quark.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/quark. Accessed 15 Jun. 2026.

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