quark1
/
kwɑːk,
kwɔːk/
n.
Physics any of a group of subatomic particles carrying a fractional electric charge, postulated as building blocks of the hadrons.
Etymology
1960s: invented by the American physicist Murray Gell-Mann and assoc. with the line ‘Three quarks for Muster Mark’ in Joyce's Finnegans Wake (1939).
quark2
/
kwɑːk/
n.
a type of low-fat curd cheese.
Etymology
1930s: from Ger. Quark ‘curd, curds’.