atom

noun
🔊/ˈætəm/
🔊/ˈætəm/
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  1. the smallest particle of a chemical element that can exist原子
    • the splitting of the atom原子的分裂
    • Two atoms of hydrogen combine with one atom of oxygen to form a molecule of water.两个氢原子和一个氧原子结合组成一个水分子。🔊🔊
    • The scientist Ernest Rutherford was the first person to split the atom.科学家欧内斯特·卢瑟福是第一个分裂原子的人。
    • positively charged atoms带正电的原子
    Topics Physics and chemistryb2
    Oxford Collocations Dictionaryadjective
    • charged
    • unstable
    • carbon
    verb + atom
    • split
    atom + noun
    • bomb
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    Word Originlate 15th cent.: from Old French atome, via Latin from Greek atomos ‘indivisible’, based on a- ‘not’ + temnein ‘to cut’.