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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In fact, the record-setting collider prior to the LHC, the Tevatron at Fermilab, used to make antiproton beams that would collide with protons in their accelerator, leading to incredible fundamental discoveries in the late 20th century, including the top quark. Big Think, 22 Apr. 2026 In February 2026, the RHIC, which was the world’s second-highest-energy heavy-ion collider, completed its 25th and final run at the US Department of Energy’s (DOE) Brookhaven National Laboratory (BNL). 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 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 30 Apr. 2026.

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