# Cabibbo-Kobayashi-Maskawa matrix

> English word · Noun

## Definitions
1. 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.

## Etymology
Named after Nicola Cabibbo, Makoto Kobayashi, and Toshihide Maskawa.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/cabibbo-kobayashi-maskawa-matrix