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quark

PRIMARY MEANINGS OF: quark

1
 n
(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
2
 n
fresh unripened cheese of a smooth texture made from pasteurized milk, a starter, and rennet
FULL DEFINITIONS OF: quark
1

n (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

“quarks have not been observed directly but theoretical predictions based on their existence have been confirmed experimentally”
Types:
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beauty quark, bottom quark
a quark with a charge of -1/3 and a mass about 10,000 times that of an electron
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
squark, strange quark
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
Type of:
elementary particle, fundamental particle
(physics) a particle that is less complex than an atom; regarded as constituents of all matter
2

n fresh unripened cheese of a smooth texture made from pasteurized milk, a starter, and rennet

Synonyms:
quark cheese
Type of:
cheese
a solid food prepared from the pressed curd of milk
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