high-energy physics

[hahy-en-er-jee]

high-en·er·gy phys·ics

[hahy-en-er-jee]
noun
the branch of particle physics that deals with the collisions of particles accelerated to such high energies that new elementary particles are created by the collisions.

Origin:
1960–65
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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High-energy physics has a plethora of syllables.
So is dichlorodiphenyltrichloroethane. Does it mean:
opposition to the withdrawal of state support or recognition from an established church, esp. the Anglican Church in 19th-century England.
a white, crystalline, water-insoluble solid, C14H9Cl5, usually derived from chloral by reaction with chlorobenzene in the presence of fuming sulfuric acid: used as an insecticide and as a scabicide and pediculicide: agricultural use prohibited in the U.S.
Collins
World English Dictionary
high-energy physics
 
n
another name for particle physics

Collins English Dictionary - Complete & Unabridged 10th Edition
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