Physiognomy (noun)

1. The study of the external characteristics of the face and their supposed relationship to a person's character or personality.
2. The general appearance or aspect of a person's face.

Origin:

The word physiognomy comes from the greek φυσιογνωμία (physiognomia), from φύσις (physis) "nature" + γνῶμα (gnōma) "judgment".

Examples:

1. The study of physiognomy was popular in the 18th and 19th centuries.
2. Some people believe that you can tell a person's character by their physiognomy.
3. The physiognomy of the criminal was very distinctive.
4. The physiognomy of the old man was kind and wise.
5. The physiognomy of the young girl was happy and innocent.