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  • English Word Psychism Definition The doctrine of Quesne, that there is a fluid universally diffused, end equally animating all living beings, the difference in their actions being due to the difference of the individual organizations.
  • English Word Psycho- Definition A combining form from Gr. psychh` the soul, the mind, the understanding; as, psychology.
  • English Word Psycho-motor Definition Of or pertaining to movement produced by action of the mind or will.
  • English Word Psychogenesis Definition Genesis through an internal force, as opposed to natural selection.
  • English Word Psychography Definition A description of the phenomena of mind.
  • English Word Psychography Definition Spirit writing.
  • English Word Psychologic Definition Alt. of Psychological
  • English Word Psychological Definition Of or pertaining to psychology. See Note under Psychic.
  • English Word Psychologies Definition of Psychology
  • English Word Psychologist Definition One who is versed in, devoted to, psychology.
  • English Word Psychologue Definition A psychologist.
  • English Word Psychology Definition The science of the human soul; specifically, the systematic or scientific knowledge of the powers and functions of the human soul, so far as they are known by consciousness; a treatise on the human soul.
  • English Word Psychomachy Definition A conflict of the soul with the body.
  • English Word Psychomancy Definition Necromancy.
  • English Word Psychometry Definition The art of measuring the duration of mental processes, or of determining the time relations of mental phenomena.
  • English Word Psychopannychism Definition The doctrine that the soul falls asleep at death, and does not wake until the resurrection of the body.
  • English Word Psychopathy Definition Mental disease. See Psychosis, 2.
  • English Word Psychophysical Definition Of or pertaining to psychophysics; involving the action or mutual relations of the psychical and physical in man.
  • English Word Psychophysics Definition The science of the connection between nerve action and consciousness; the science which treats of the relations of the psychical and physical in their conjoint operation in man; the doctrine of the relation of function or dependence between body and soul.
  • English Word Psychopomp Definition A leader or guide of souls .
  • English Word Psychosis Definition Any vital action or activity.
  • English Word Psychosis Definition A disease of the mind; especially, a functional mental disorder, that is, one unattended with evident organic changes.
  • English Word Psychozoic Definition Designating, or applied to the Era of man; as, the psychozoic era.
  • English Word Psychrometer Definition An instrument for measuring the tension of the aqueous vapor in the atmosphere, being essentially a wet and dry bulb hygrometer.
  • English Word Psychrometrical Definition Of or pertaining to the psychrometer or psychrometry.
  • English Word Psychrometry Definition Hygrometry.
  • English Word Psylla Definition Any leaping plant louse of the genus Psylla, or family Psyllidae.
  • English Word Psyllae Definition of Psylla
  • English Word Ptarmigan Definition Any grouse of the genus Lagopus, of which numerous species are known. The feet are completely feathered. Most of the species are brown in summer, but turn white, or nearly white, in winter.
  • English Word Ptenoglossa Definition A division of gastropod mollusks having the teeth of the radula arranged in long transverse rows, somewhat like the barbs of a feather.