cephalometry

noun

1. the science of measuring the human head, used especially in plastic surgery and orthodontics.

noun

1. measurement of the dimensions of the human head by radiography: used mainly in orthodontics
2. measurement of the dimensions of the fetal head by radiography or ultrasound

n.

1. The scientific measurement of the bones of the cranium and the face.
2. A scientific study of the measurement of the head with relation to specific reference points to assess facial growth and development.