craniology
/krəˈnɪɒlədʒi/Definitions
1. noun
the study of the shape and structure of skulls, especially as a means of identifying racial or ethnic origins.
“The anthropologist specialized in craniology, which helped her understand the history of human migration.”
2. noun
the measurement and study of the shape of the human skull.
“The doctor used craniology to determine the correct size of the child’s helmet.”