Noun

(en noun)

(particle) In the Standard Model, an elementary subatomic particle which forms matter. Quarks have never been found alone as of this writing, They combine to form hadrons, such as protons and neutrons.

* 1993 , Gell-Mann won the linguistic battle once again: his choice, a croaking nonsense word, was "quark". (After the fact, he was able to tack on a literary antecedent when he found the phrase "Three quarks for Muster Mark" in Finnegans Wake, but the physicists quark was pronounced from the beginning to rhyme with "cork".) — (James Gleick), Genius: Richard Feynman and Modern Physics

* {{quote-magazine, year=2012, month=March-April

, author=(Jeremy Bernstein) , title=A Palette of Particles , volume=100, issue=2, page=146 , magazine=(American Scientist) citation , passage=There were also particles no one had predicted that just appeared. Five of them […, i]n order of increasing modernity,

(computing, X Window System) An integer that uniquely identifies a text string.

Noun

(-)

A soft creamy cheese, eaten throughout northern, central, and eastern Europe, very similar to cottage cheese except that it is usually not made with rennet.

Noun

(en noun)

The black-crowned night heron, Nycticorax nycticorax.

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