D defs.my
Entry 1 sense Webster, 1913

baryon

· IPA /ˈbɛəɹiɒn/
01 n. any of the elementary particles having a mass equal to or greater than that of a proton and that participate in strong interactions; a hadr…
  1. 1.
    any of the elementary particles having a mass equal to or greater than that of a proton and that participate in strong interactions; a hadron with a baryon number of +1.
Syn. heavy particle.