コライダーMeanings1nouncolliderA particle accelerator in which two beams of particles are made to collide. Used in physics contexts.CERNの大おお型がたハドロンコライダーは世せ界かい最さい大だいの粒りゅう子し加か速そく器きです。CERN's Large Hadron Collider is the world's largest particle accelerator.