Definitions

1. adjective

relating to or based on the study of the relationship between the shape of the skull and the development of the mind or character

“The craniognomic theory suggests that a person’s facial structure can reveal their personality traits.”

2. noun

a theory or doctrine that the shape of the skull can reveal information about a person’s character or mental abilities

“The craniognomic method was used by phrenologists in the 19th century to study human personality.”