collider

noun

col·​lid·​er kə-ˈlī-dər How to pronounce collider (audio)
: a particle accelerator in which two beams of particles moving in opposite directions are made to collide

Examples of collider in a Sentence

Recent Examples on the Web
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Rebuilding a collider The engineers will also take apart the long-running STAR detector, a tracker that captured RHIC’s first collisions in 2000, as well as the newer sPHENIX detector. Georgina Jedikovska, Interesting Engineering, 15 Apr. 2026 Tevatron collider was the most precise to date. Clara Moskowitz, Scientific American, 10 Apr. 2026 Essentially, this is why physicists use miles-long particle colliders that accelerate particles to enormous energies. Shalma Wegsman, Quanta Magazine, 30 Mar. 2026 Their words of caution were ignored (fortunately, in retrospect), and enterprising experimentalists embarked on a journey that would take nearly half a century, and the construction of three powerful colliders, to bear fruit. Mariangela Lisanti, Twin Cities, 27 Mar. 2026 See All Example Sentences for collider

Word History

First Known Use

circa 1977, in the meaning defined above

Time Traveler
The first known use of collider was circa 1977

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Cite this Entry

“Collider.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/collider. Accessed 23 Apr. 2026.

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