Definition of collider noun from the Oxford Advanced Learner's Dictionary

 

collider

 noun
noun
BrE BrE//kəˈlaɪdə(r)//
 
; NAmE NAmE//kəˈlaɪdər//
 
(physics)
 
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a machine for making two streams of particles move at high speed and crash into each other
See the Oxford Advanced American Dictionary entry: collider