monad
noun/ˈmɒnæd/, /ˈməʊnæd/
/ˈmɑːnæd/, /ˈməʊnæd/
(philosophy)- a single simple thing that cannot be divided, for example an atom or a personWord Originearly 17th cent.: via late Latin from Greek monas, monad- ‘unit’, from monos ‘alone’.
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monad