psy·chol·o·gy/saɪ`kɑlədʒɪ; saɪˈkɒlədʒi/ n 1 [U] the scientific study of the mind and how it works 心理学: a professor of psychology 心理学教授 2 [C,U] the way that a particular kind of person thinks and behaves 〔某类人的〕心理: the psychology of child killers 儿童杀手的心理