English > quark: 2 senses > noun 1, object| Meaning | (physics) hypothetical truly fundamental particle in mesons and baryons; there are supposed to be six flavors of quarks (and their antiquarks), which come in pairs; each has an electric charge of +2/3 or -1/3. |
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| Example | "quarks have not been observed directly but theoretical predictions based on their existence have been confirmed experimentally" |
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| Category | physics, natural philosophy | The science of matter and energy and their interactions |
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| Part of | hadron | Any elementary particle that interacts strongly with other particles |
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| Narrower | bottom quark, beauty quark | A quark with a charge of -1/3 and a mass about 10,000 times that of an electron |
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| charm quark | A quark with an electric charge of +2/3 and a mass 2900 times that of an electron and a charm of +1 |
| down quark | A stable quark with an electric charge of -1/3 and a mass 607 times that of an electron |
| strange quark, squark | A quark with an electric charge of -1/3 and a mass 988 times that of an electron and a strangeness of -1 |
| top quark, truth quark | A hypothetical quark with a charge of +2/3 and a mass more than 100,000 times that of an electron |
| up quark | A stable quark with an electric charge of +2/3 and a mass 607 times that of an electron |
| Broader | elementary particle, fundamental particle | (physics) a particle that is less complex than an atom |
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| Spanish | cuark, quark |
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| Catalan | quark |
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