Noun
Cabibbo-Kobayashi-Maskawa matrix (plural Cabibbo-Kobayashi-Maskawa matrixes or Cabibbo-Kobayashi-Maskawa matrices)
(physics) In the Standard Model, a unitary matrix that specifies the mismatch of quantum states of quarks when they propagate freely and when they take part in the weak interactions. It is important in the understanding of CP violation.