Meaning of ATOMIC in English

ATOMIC

/ əˈtɒmɪk; NAmE əˈtɑːmɪk/ adjective [ usually before noun ]

1.

connected with atoms or an atom :

atomic structure

2.

related to the energy that is produced when atoms are split; related to weapons that use this energy :

atomic energy / power

the atomic bomb

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WORD ORIGIN

late 17th cent.: from modern Latin atomicus , from atomus indivisible from Greek atomos , based on a- not + temnein to cut.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.