quark
IPA: kwˈɑrk
noun
- (physics) In the Standard Model, an elementary subatomic particle that forms matter. They combine to form hadrons, such as protons and neutrons.
- (computing, X Window System) An integer that uniquely identifies a text string.
- A soft creamy cheese, eaten throughout northern, central, eastern, and southeastern Europe as well as the Low Countries, very similar to cottage cheese except that it is usually not made with rennet.
- (Falkland Islands, informal) The black-crowned night heron, Nycticorax nycticorax.
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Examples of "quark" in Sentences
- It is the analogue of the CKM matrix for quarks.
- In the experiment the quarks ionized the vacuum area.
- A constituent quark is a current quark with a covering.
- A 'constituent quark' is a current quark with a covering.
- Constituent quarks are a figment of the theorists imagination.
- In the quark picture this is, however, a drop of quark matter.
- In the first episode he rescues the ensign from Quark, a manipulative Ferengi.
- Is thermodynamics the changing of the resonant frequency of quark field states
- It is the analogue of the CKM matrix describing the analogous mixing of quarks.
- He solicits Odo's help and the two of them eavesdrop on Quark later that night.
- Seeing the word "quark" in James Joyce's "Finnegan's Wake" induced him to make the spelling change.
- Actually, the word quark is in the OED as a verb meaning ` croak, 'with 19th-century references to frogs, rooks, and herons.
- In both cases, the top quark is short-lived and decays, for example, into a bottom quark, a lepton (such as a muon) and a neutrino.
- But to understand the structure of the new psi particle a fourth quark is very likely necessary, in the opinion of many researchers.
- The result is what researchers call a quark-gluon plasma QGP, which hasn't been present in significant quantities since shortly after the origin of the Universe.
- The “beauty” quark is particularly good for probing this question because b-quarks and anti-b-quarks behave “more differently” than other particles and their antimatter counterparts.
- The heaviest known elementary particle, the top quark is one of the fundamental building blocks of nature and understood to be an ingredient of the nuclear soup just after the Big Bang.
- When the neutrino beam method was invented by the Columbia team at the beginning of the 1960s the quark concept was still unknown, and the method has only later become important in quark research.