Medical Definition of molecule
: the smallest particle of a substance that retains all the properties of the substance and is composed of one or more atoms
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Dictionary: Definition of "molecule" Thesaurus: All synonyms and antonyms for "molecule" Spanish Central: Translation of "molecule" Nglish: Translation of "molecule" for Spanish speakers Britannica English: Translation of "molecule" for Arabic speakers Britannica.com: Encyclopedia article about "molecule"
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