multiparticle in English dictionary multiparticle Meanings and definitions of "multiparticle" (physics) (of quantum entanglement) Involving more than two particles. adjective (physics, of quantum entanglement) Involving more than two particles. more Grammar and declension of multiparticle multiparticle ( not comparable) multiparticle (not comparable) more Sample sentences with "multiparticle" Declension Stem Try again Authors