quark
Concise Oxford English Dictionary © 2008 Oxford University Press:
quark1 /kwɑːk, kwɔːk/
▶noun Physics any of a group of subatomic particles carrying a fractional electric charge, postulated as building blocks of the hadrons.
– origin 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).
Concise Oxford English Dictionary © 2008 Oxford University Press:
quark2 /kwɑːk/
▶noun a type of low-fat curd cheese.
– origin 1930s: from Ger. Quark ‘curd, curds’.
'quark' also found in these Oxford entries:
