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Psychologies
pl.
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of Psychology
Psychology
n.
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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.
Psychomachy
n.
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A conflict of the soul with the body.
Psychomancy
n.
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Necromancy.
Psychometry
n.
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The art of measuring the duration of mental processes, or of determining the time relations of mental phenomena.
Psycho-motor
a.
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Of or pertaining to movement produced by action of the mind or will.
Psychopannychism
n.
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The doctrine that the soul falls asleep at death, and does not wake until the resurrection of the body.
Psychopathy
n.
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Mental disease. See Psychosis, 2.
Psychophysical
a.
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Of or pertaining to psychophysics; involving the action or mutual relations of the psychical and physical in man.
Psychophysics
n.
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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.
Psychopomp
n.
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A leader or guide of souls .
Psychosis
n.
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Any vital action or activity.
Psychosis
n.
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A disease of the mind; especially, a functional mental disorder, that is, one unattended with evident organic changes.
Psychozoic
a.
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Designating, or applied to the Era of man; as, the psychozoic era.
Psychrometer
n.
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An instrument for measuring the tension of the aqueous vapor in the atmosphere, being essentially a wet and dry bulb hygrometer.
Psychrometrical
a.
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Of or pertaining to the psychrometer or psychrometry.
Psychrometry
n.
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Hygrometry.
Psyllae
pl.
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of Psylla
Psylla
n.
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Any leaping plant louse of the genus Psylla, or family Psyllidae.
Ptarmigan
n.
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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.
Ptenoglossa
n. pl.
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A division of gastropod mollusks having the teeth of the radula arranged in long transverse rows, somewhat like the barbs of a feather.
Ptenoglossate
a.
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Of or pertaining to the Ptenoglossa.
Pteranodon
n.
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A genus of American Cretaceous pterodactyls destitute of teeth. Several species are known, some of which had an expanse of wings of twenty feet or more.
Pteranodontia
n. pl.
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A group of pterodactyls destitute of teeth, as in the genus Pteranodon.
Pterichthys
n.
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A genus of Devonian fossil fishes with winglike appendages. The head and most of the body were covered with large bony plates. See Placodermi.
Pteridologist
n.
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One who is versed in pteridology.
Pteridology
n.
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That department of botany which treats of ferns.
Pteridomania
n.
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A madness, craze, or strong fancy, for ferns.
Pteridophyta
n. pl.
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A class of flowerless plants, embracing ferns, horsetails, club mosses, quillworts, and other like plants. See the Note under Cryptogamia.
Pterobranchia
n. pl.
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An order of marine Bryozoa, having a bilobed lophophore and an axial cord. The genus Rhabdopleura is the type. Called also Podostomata. See Rhabdopleura.