multiparticle

adjective
mul·​ti·​par·​ti·​cle | \ ˌməl-tē-ˈpär-ti-kəl How to pronounce multiparticle (audio) , -ˌtī-\

Definition of multiparticle

physics
: containing or involving multiple particles multiparticle interactions

First Known Use of multiparticle

1954, in the meaning defined above

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