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quark

noun
🔊/kwɑːk/
🔊/kwɑːrk/, 🔊/kwɔːrk/
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  1. [countable] (physics物理) a very small part of matter (= a substance). There are several types of quark and it is thought that protons, neutrons, etc. are formed from them.夸克（据信构成质子、中子等的细小粒子）Topics Physics and chemistryc2
  2. [uncountable] a type of soft cheese from central Europe, similar to curd cheese夸克干酪；软（质）干酪Topics Foodc2
    3. Word Origin1960s: a word invented by Murray Gell-Mann, the American theoretical physicist. Originally quork, the term was changed by association with the line “Three quarks for Muster Mark” in Joyce's Finnegans Wake (1939).