01 n. The science of the human soul; specifically, the systematic or scientific knowledge of the powers and functions of the human soul, so far a…
pl.
Psychologies
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1.
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.