Origin: Psycho-: cf. F. Psychologie. See Psychical.

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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. "Psychology, the science conversant about the phenomena of the mind, or conscious subject, or self." (Sir W. Hamilton)

(01 Mar 1998)