{ Psy`cho*log"ic (?), Psy`cho*log"ic*al (?), } a. [Cf. F.
psychologique.] Of or pertaining to psychology. See Note under Psychic.
-- Psy`cho*log"ic*al*ly, adv.
Psy*chol"o*gist (?), n. [Cf. F. psychologiste.] One who is versed in,
devoted to, psychology.
Psy"cho*logue (?), n. A psychologist.
Psy*chol"o*gy (?), n. pl. Psychologies (&?;). [Psycho- + -logy: cf. F.
psychologie. See Psychical.] 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.
Psychology, the science conversant about the phenomena of the mind,
or conscious subject, or self.
Sir W. Hamilton.
Psy*chom"a*chy (?), n. [L. psychomachia, fr. Gr. psychh` the soul + &?;
fight: cf. &?; desperate fighting.] A conflict of the soul with the
body.
Psy"cho*man`cy (?), n. [Psycho- + -mancy: cf. F. psychomancie.]
Necromancy.
Psy*chom"e*try (?), n. [Psycho- + -metry.] (Physiol.) The art of
measuring the duration of mental processes, or of determining the time
relations of mental phenomena. -- Psy`cho*met"ric (#), a.
Psy`cho-mo"tor (?), a. [Psycho- + motor.] Of or pertaining to movement
produced by action of the mind or will.
Psy"cho*pan"ny*chism (?), n. [Psycho- + Gr. &?; to spend all night
long; &?;, &?;, all + &?; night.] (Theol.) The doctrine that the soul
falls asleep at death, and does not wake until the resurrection of the
body. -- Psy`cho*pan"ny*chism (#), n.
Psy*chop"a*thy (?), n. [Psycho- + Gr. &?;, &?;.] (Med.) Mental disease.
See Psychosis, 2. -- Psy`cho*path"ic, a. -- Psy*chop"a*thist, n.
Psy`cho*phys"ic*al (?), a. Of or pertaining to psychophysics; involving
the action or mutual relations of the psychical and physical in man.
Psychophysical time (Physiol.), the time required for the mind to
transform a sensory impression into a motor impulse. It is an important
part of physiological or reaction time. See under Reaction.
Psy`cho*phys"ics (?), n. [Psycho- + physics.] 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.
Psy"cho*pomp (?), n. [Gr. &?;; psychh` the soul + &?; to send: cf. F.
psychopompe.] (Myth.) A leader or guide of souls . J. Fiske.