nondualism

noun
non·​dualism | \ "+\

Definition of nondualism

1 : a doctrine of classic Brahmanism holding that the essential unity of all is real whereas duality and plurality are phenomenal illusion and that matter is materialized energy which in turn is the temporal manifestation of an incorporeal spiritual eternal essence constituting the innermost self of all things
2 : any of various monistic or pluralistic theories of the universe

History and Etymology for nondualism

non- entry 1 + dualism

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