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Meaning of noumenon

nou•me•non

Pronunciation: (n'mu-non"), [key]
— pl. -na
  1. the object, itself inaccessible to experience, to which a phenomenon is referred for the basis or cause of its sense content.
  2. a thing in itself, as distinguished from a phenomenon or thing as it appears.
  3. something that can be the object only of a purely intellectual, nonsensuous intuition.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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