- [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） - [uncountable]
a type of soft cheese from central Europe, similar to curd cheese 夸克干酪；软（质）干酪
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).