psychology/saɪ'kɒləʤɪ $ -'kɑː-/

n. the study of the mind and how it affects behaviour

n. [U] 心理学：He is an expert in child psychology. 他是儿童心理学方面的专家。

◇He studied psychology in college. 他大学时学的是心理学。

构词psycho + -logy

同根 biology; ecology; technology