Meaning of “atomic” in the English Dictionary

"atomic" in British English

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uk /əˈtɒm.ɪk/ us /əˈtɑː.mɪk/

relating to atoms:

See also

B2 using the energy that is created when an atom is divided:

atomic energy/power

More examples

  • Many servicemen suffered radiation sickness after the early atomic tests.
  • At the nuclear reprocessing plant they extract plutonium from spent atomic fuel rods.
  • Electrons and protons are atomic particles.
adverb uk /əˈtɒm.ɪ.kəl.i/ us /əˈtɑː.mɪ.kəl.i/

(Definition of “atomic” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"atomic" in American English

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us /əˈtɑm·ɪk/

physics relating to atoms or the energy that can be produced by them

(Definition of “atomic” from the Cambridge Academic Content Dictionary © Cambridge University Press)