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molecule

noun
🔊/ˈmɒlɪkjuːl/
🔊/ˈmɑːlɪkjuːl/
 (chemistry化学)
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  1. a group of atoms that forms the smallest unit that a substance can be divided into without a change in its chemical nature分子
    • A molecule of water consists of two atoms of hydrogen and one atom of oxygen.水分子由两个氢原子和一个氧原子构成。🔊🔊
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    Extra Examples
    • the molecules in the crystal晶体中的分子
    • the number of atoms in a molecule分子中原子的数量
    • two molecules of hydrogen两个氢分子
    Topics Physics and chemistryb2
    Oxford Collocations Dictionaryadjective
    • complex
    • simple
    • individual
    • …
    verb + molecule
    • form
    • attach
    • bind
    • …
    molecule + verb
    • combine
    • be composed of something
    • contain something
    • …
    preposition
    • molecule of
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    Word Originlate 18th cent.: from French molécule, from modern Latin molecula, diminutive of Latin moles ‘mass’.