\Pan*psy"chism\, n. [See {Pan-}; {Psychic}.]
The theory that all nature is psychical or has a psychical
aspect; the theory that every particle of matter has a
psychical character or aspect. -- {Pan*psy"chic}, a. --
{Pan*psy"chist}, n. -- {Pan`psy*chis"tic}, a.
      Fechner affords a conspicuous instance of the
      idealistic tendency to mysterize nature in his
      panpsychicism, or that form of noumenal idealism which
      holds that the universe is a vast communion of spirits,
      souls of men, of animals, of plants, of earth and other
      planets, of the sun, all embraced as different members
      in the soul of the world.                --Encyc. Brit.