Duchenne smile en · NOUN
Etymology
Named after the French physician Guillaume Duchenne de Boulogne (1806–1875) who identified it.
Meanings
- A smile involving contraction of both the zygomatic major muscle (which raises the corners of the mouth) and the orbicularis oculi (which raises the cheeks and forms crow's feet around the eyes).
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| Duchenne smiles | Number=Plur | lexicographic |