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Synonyms

nuclear physics

American  
[noo-klee-er fiz-iks, nyoo-] / ˈnu kli ər ˈfɪz ɪks, ˈnju- /

noun

(used with a singular verb)
  1. the branch of physics that deals with the behavior, structure, and component parts of atomic nuclei.


nuclear physics British  

noun

  1. (functioning as singular) the branch of physics concerned with the structure and behaviour of the nucleus and the particles of which it consists

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

nuclear physics Scientific  
  1. The scientific study of the structure and behavior atomic nuclei.

  2. See also neutron proton strong force


Pronunciation

See nuclear ( def. ).

Other Word Forms

Etymology

Origin of nuclear physics

First recorded in 1930–35

Example Sentences

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See Examples For:

Born in Bulgaria to Armenian parents who survived the genocide, he immigrated to the U.S. in 1961 and studied at Columbia University, earning advanced degrees in nuclear engineering and nuclear physics.

From The Wall Street Journal Aug. 29, 2026

Pearcey, who has doctorate in nuclear physics, has been a prominent local campaigner.

From BBC Jan. 30, 2026

"Did it form by stripping the outside of a star, like 'normal' black widow systems are formed? Probably not, because nuclear physics does not make pure carbon."

From Science Daily Jan. 1, 2026

It’s going from social media and crypto into nuclear physics.

From Barron's Dec. 19, 2025

Rutherford had drawn a road map for the future of nuclear physics.

From "Big Science" by Michael Hiltzik

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