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Definition of “atom” - English Dictionary

"atom" in American English

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atomnoun [C]

 us   /ˈæt̬·əm/
physics the smallest unit of any chemical element, consisting of a positive nucleus surrounded by negative electrons. Atoms can combine to form a molecule.
(Definition of atom from the Cambridge Academic Content Dictionary © Cambridge University Press)







"atom" in British English

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atomnoun [C]

uk   /ˈæt.əm/  us   /ˈæt̬.əm/
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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(Definition of atom from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
Translations of “atom”
in Korean 원자…
in Arabic ذَرَّة…
in Malaysian atom, sedikit pun…
in French atome, parcelle…
in Russian атом…
in Chinese (Traditional) 原子…
in Italian atomo…
in Turkish atom…
in Polish atom…
in Spanish átomo, ápice, pizca…
in Vietnamese nguyên tử, vật nhỏ…
in Portuguese átomo…
in Thai อะตอม, ปริมาณที่น้อยมาก…
in German das Atom, das Körnchen…
in Catalan àtom…
in Japanese 原子…
in Chinese (Simplified) 原子…
in Indonesian atom, sedikit…
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