{ , a. } [ Gr. bi`os life + psychic, -cal. ] Pertaining to psychical phenomena in their relation to the living organism or to the general phenomena of life. [ Webster 1913 Suppl. ]

n. (Med.), A mental disorder characterized by alternating episodes of mania and depression.
Syn. -- bipolar disorder, manic depression, manic depressive illness. [ WordNet 1.5 ]

n. [ Megalo- + Gr. psychh` soul, mind. ] Greatness of soul. [ Obs. & R. ] [ 1913 Webster ]

v. t. [ imp. & p. p. Metempsychosed p. pr. & vb. n. Metempsychosing ] [ See Metempsychosis. ] To translate or transfer, as the soul, from one body to another. [ R. ] Peacham. [ 1913 Webster ]

n. [ NL., fr. Gr. &unr_;; &unr_; beyond, over + &unr_; to animate; &unr_; in + &unr_; soul. See Psychology. ] The passage of the soul, as an immortal essence, at the death of the animal body it had inhabited, into another living body, whether of a brute or a human being; transmigration of souls. Sir T. Browne. [ 1913 Webster ]

n. [ Mono- + Gr. &unr_; soul. ] The doctrine that there is but one immortal soul or intellect with which all men are endowed. [ 1913 Webster ]

n. the branch of psychology that is concerned with the physiological bases of psychological processes.
Syn. -- physiological psychology, psychophysiology. [ WordNet 1.5 ]

n. [ Omphalo- + Gr. &unr_; breath, spirit, soul: cf. F. omphalopsyque. ] (Eccl.Hist.) A name of the Hesychasts, from their habit of gazing upon the navel. [ 1913 Webster ]

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. [Webster 1913 Suppl.]

adj. Of or pertaining to parapsychology; pertaining to forces or mental processes outside the possibilities defined by natural or scientific laws; as, parapsychological research.
Syn. -- psychic, psychical, parapsycholological, paranormal. [ WordNet 1.5 ]

n. One who studies or is versed in parapsychology. [ PJC ]

n. The field of study concerned with psychological phenomena not explainable by the laws of physics, especially extrasensory perception, telepathy, psychokinesis, precognition, and clairvoyance. The field is controversial, most scientists holding the opinion that the supposed phenomena observed result from poor experimental design, or are mere statistical artifacts or in some cases deliberate fraud. [ PJC ]

a. [ Gr. &unr_;. See Psychagogue. ] Attractive; persuasive. J. Morley. [ 1913 Webster ]

n. [ Gr.&unr_;; &unr_; the soul + &unr_; to lead. ] A necromancer. [ R. ] [ 1913 Webster ]

a. [ See Psychical. ] Of or pertaining to the soul; psychical. Bayne. [ 1913 Webster ]

n. [ Psycho- + analysis. ] same as psychoanalysis; -- an older term now obsolete. -- Psy*chan`a*lyt"ic a. -- Psy`cha*nal"y*sist n. [ Webster 1913 Suppl. ]

n. [ L., fr. Gr. PSychh` Psyche, fr. psychh` the soul. ] 1. (Class Myth.) A lovely maiden, daughter of a king and mistress of Eros, or Cupid. She is regarded as the personification of the soul. [ 1913 Webster ]

2. The soul; the vital principle; the mind. [ 1913 Webster ]

3. [ F. psyché. ] A cheval glass. [ 1913 Webster ]

n. (Zool.) Any small moth of the genus Psyche and allied genera (family Psychidæ). The larvæ are called basket worms. See Basket worm, under Basket. [ 1913 Webster ]

a. (Med.) Of or pertaining to psychiatry. [ 1913 Webster ]

{ ‖ } n. [ NL. psychiatria, fr. Gr. &unr_; the mind + &unr_; healing. ] (Med.) The application of the healing art to mental diseases. Dunglison. [ 1913 Webster ]

{ } a. [ L. psychicus, Gr. &unr_;, fr. psychh` the soul, mind; cf. &unr_; to blow: cf. F. psychique. ] 1. Of or pertaining to the human soul, or to the living principle in man. [ 1913 Webster ]

☞ This term was formerly used to express the same idea as psychological. Recent metaphysicians, however, have employed it to mark the difference between psychh` the living principle in man, and pney^ma the rational or spiritual part of his nature. In this use, the word describes the human soul in its relation to sense, appetite, and the outer visible world, as distinguished from spiritual or rational faculties, which have to do with the supersensible world. Heyse. [ 1913 Webster ]

2. Of or pertaining to the mind, or its functions and diseases; mental; -- contrasted with physical. [ 1913 Webster ]

Psychical blindness,
Psychical deafness (Med.), forms of nervous disease in which, while the senses of sight and hearing remain unimpaired, the mind fails to appreciate the significance of the sounds heard or the images seen. --
Psychical contagion, the transference of disease, especially of a functional nervous disease, by mere force of example. --
Psychical medicine, that department of medicine which treats of mental diseases. [ 1913 Webster ]

n. Psychology. [ 1913 Webster ]

n. [ Cf. F. psychisme. ] (Philos.) 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. Fleming. [ 1913 Webster ]

A combining form from Gr. psychh` the soul, the mind, the understanding; as, psychology. [ 1913 Webster ]

v. t. To investigate or subject to treatment by psychoanalysis.
Syn. -- analyze, analyse, psychoanalyze. [ WordNet 1.5 ]

n. 1. A method or process of psychotherapeutic analysis and treatment pf psychoneuroses, based on the work of Dr. Sigmund Freud (1856- 1939) of Vienna. The method rests upon the theory that neurosis is characteristically due to repression of desires consciously rejected but subconsciously persistent; it consists in a close analysis of the patient's mental history, effort being made to bring unconsciuos and preconscious material to consciousness; the methods include analysis of transferance and resistance. In some variants, stress is laid upon the dream life, and of treatment by means of suggestion. [ Webster 1913 Suppl. +PJC ]

2. The theory of human psychology which is the foundation for the psychoanalytic therapy, which explores the relation between conscious and unconscious mental processes in motivating human behavior and causing neuroses. [ PJC ]

3. An integrated set of theories of human personality development, motivation, and behavior based on a body of observations. [ Stedman ] [ PJC ]

4. One of several schools of psychotherapy, such as jungian psychoanalysis or freudian psychoanalysis. [ Stedman ] [ PJC ]

-- Psy`cho*an`a*lyt"ic, a.; Psych`o*an"al*ist n., etc. [ Webster 1913 Suppl. ]

v. t. To investigate or subject to treatment by psychoanalysis.
Syn. -- analyze, analyse, psychoanalyse. [ WordNet 1.5 ]

n. Genesis through an internal force, as opposed to natural selection. [ 1913 Webster ]

n. [ Psycho- + -graphy. ] 1. A description of the phenomena of mind. [ 1913 Webster ]

2. (Spiritualism) Spirit writing. [ 1913 Webster ]

{ } a. [ Cf. F. psychologique. ] Of or pertaining to psychology. See Note under Psychic. -- Psy`cho*log"ic*al*ly, adv. [1913 Webster]

n. [ Cf. F. psychologiste. ] One who is versed in, devoted to, psychology. [ 1913 Webster ]

n. A psychologist. [ 1913 Webster ]

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. [ 1913 Webster ]

Psychology, the science conversant about the phenomena of the mind, or conscious subject, or self. Sir W. Hamilton. [ 1913 Webster ]

n. [ L. psychomachia, fr. Gr. psychh` the soul + &unr_; fight: cf. &unr_; desperate fighting. ] A conflict of the soul with the body. [ 1913 Webster ]

n. [ Psycho- + -mancy: cf. F. psychomancie. ] Necromancy. [ 1913 Webster ]

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. [1913 Webster]

a. [ Psycho- + motor. ] Of or pertaining to movement produced by action of the mind or will. [ 1913 Webster ]

n. [ Psycho- + Gr. &unr_; to spend all night long; pa^s, pa^n, all + &unr_; 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. [1913 Webster]

n. [ Psycho- + Gr. &unr_;, &unr_;. ] (Med.) Mental disease. See Psychosis, 2. -- Psy`cho*path"ic, a. -- Psy*chop"a*thist, n. [ 1913 Webster ]

a. Of or pertaining to psychophysics; involving the action or mutual relations of the psychical and physical in man. [ 1913 Webster ]

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. [ 1913 Webster ]

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. [ 1913 Webster ]

n. [ Gr. &unr_;; psychh` the soul + &unr_; to send: cf. F. psychopompe. ] (Myth.) A leader or guide of souls . J. Fiske. [ 1913 Webster ]

n. [ NL. See Psycho-. ] [ 1913 Webster ]

1. Any vital action or activity. Mivart. [ 1913 Webster ]

2. (Med.) A disease of the mind; especially, a functional mental disorder, that is, one unattended with evident organic changes. [ 1913 Webster ]

n. [ Psycho- + therapeutics. ] (Med.) The treatment of disease by acting on the mind, as by suggestion; mind cure; psychotherapy. [ Webster 1913 Suppl. ]

n. [ Psycho- + therapy. ] (Med.) Psychotherapeutics. [ Webster 1913 Suppl. ]

a. [ Psycho- + Gr. &unr_; life. ] (Geol.) Designating, or applied to the Era of man; as, the psychozoic era. [ 1913 Webster ]

n. [ Gr. psychro`s cold + -meter: cf. F. psychromètre. ] An instrument for measuring the tension of the aqueous vapor in the atmosphere, being essentially a wet and dry bulb hygrometer. [ 1913 Webster ]

a. Of or pertaining to the psychrometer or psychrometry. [ 1913 Webster ]

n. Hygrometry. [ 1913 Webster ]

n. [ Zoo- + psychology. ] Animal psychology. [ 1913 Webster ]