atom definition, meaning - what is atom in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online

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English definition of “atom”

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atom

noun [C] uk   /ˈæt.əm/  us   /ˈæt̬-/
B2 the smallest unit of any chemical element, consisting of a positive nucleus surrounded by negative electrons. Atoms can combine to form a molecule: A molecule of carbon dioxide (CO2) has one carbon atom and two oxygen atoms.figurative He hasn't an atom of sense (= he has no sense), that boy.
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Translations of “atom”
in Arabic ذَرَّة…
in Korean 원자…
in Malaysian atom, sedikit pun…
in French atome, parcelle…
in Turkish atom…
in Italian atomo…
in Chinese (Traditional) 原子…
in Russian атом…
in Polish atom…
in Vietnamese nguyên tử, vật nhỏ…
in Spanish átomo, ápice, pizca…
in Portuguese átomo…
in Thai อะตอม, ปริมาณที่น้อยมาก…
in German das Atom, das Körnchen…
in Catalan àtom…
in Japanese 原子…
in Indonesian atom, sedikit…
in Chinese (Simplified) 原子…
(Definition of atom from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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