n.
Pronunciation: -j ē
Function: noun
Inflected Form: plural -gies
Etymology: New Latin psychologia, from psych- + -logia -logy
Date: 1653
1 : the science of mind and behavior
2 a : the mental or behavioral characteristics of an individual or group b : the study of mind and behavior in relation to a particular field of knowledge or activity
3 : a theory or system of psychology <Freudian psychology > <the psychology of Jung>
– psy · chol · o · gist \ -jist \ noun