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 Extra ExamplesTopics Physics and chemistryb2the 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
Oxford Collocations Dictionaryadjective- complex
- simple
- individual
- …
- form
- attach
- bind
- …
- combine
- be composed of something
- contain something
- …
- molecule of
Word Originlate 18th cent.: from French molécule, from modern Latin molecula, diminutive of Latin moles ‘mass’.