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Synonyms

nuclear physics

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

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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

This holds the same profound implications for defense and intelligence today as nuclear physics did 80 years ago.

From The Wall Street Journal • Mar. 23, 2026

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

From Barron's • Dec. 19, 2025

The experiment involved bombarding a thin sheet of gold foil with alpha particles, and earned Rutherford, from Bridgewater on New Zealand's South Island, the moniker the "father of nuclear physics".

From BBC • Jan. 21, 2025

While in the Navy, Carter took graduate courses in nuclear physics and served as a submariner on the USS Pomfret.

From Los Angeles Times • Dec. 29, 2024

Lawrence’s results bore important implications for nuclear physics.

From "Big Science" by Michael Hiltzik

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