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atomic

Pronunciation: /əˈtɒmɪk/

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Definition of atomic

adjective

  • relating to an atom or atoms: the nature of matter at the atomic level the atomic nucleus
  • Chemistry (of a substance) consisting of uncombined atoms rather than molecules: atomic hydrogen
  • of or forming a single irreducible unit or component in a larger system:a society made up of atomic individuals pursuing private interests
  • relating to or using the energy released in nuclear fission or fusion:the atomic age required a new way of political thinking atomic weapons

Derivatives

atomically

adverb

Origin:

late 17th century: from modern Latin atomicus, from atomus 'indivisible' (see atom)

atomic in other Oxford dictionaries

Definition of atomic in the US English dictionary

Nearby words

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