baryon

/ˈbæɹiɒn/

IPA: /B AA0 R Y AO1 N/

noun
  1. 1

    A heavy subatomic particle created by the binding of quarks by gluons; a hadron containing three quarks. Baryons have half-odd integral spin and are thus fermions. This category includes the common proton and neutron of the atomic nucleus.

Source: https://en.wiktionary.org/wiki/baryon