quark

noun \ ˈkwȯrk , ˈkwärk \
Updated on: 19 Nov 2017

Definition of quark

: any of several elementary particles that are postulated to come in pairs (as in the up and down varieties) of similar mass with one member having a charge of +²/₃ and the other a charge of −¹/₃ and are held to make up hadrons

Recent Examples of quark from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'quark.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of quark

coined by Murray Gell-Mann


QUARK Defined for English Language Learners

quark

noun

Definition of quark for English Language Learners

  • physics : any one of several types of very small particles that make up matter


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