pentaquark - definition and synonyms

noun physics
  1.   From our crowdsourced Open Dictionary
    a sub-atomic particle consisting of five quarks, recently observed by scientists working at the Large Hadron Collider

    The exotic pentaquarks they observed are made up of two up quarks, one down quark, one charm quark and one anti-charm quark.

    Submitted from United Kingdom on 16/07/2015