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English definition of “molecule”

molecule

noun [C]  /ˈmɑl·əˌkjul/ us  
science the smallest unit into which a substance can be divided without chemical change, usually a group of two or more atoms
molecular
adjective [not gradable]  /məˈlek·jə·lər/ us  
(Definition of molecule from the Cambridge Academic Content Dictionary © Cambridge University Press)
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