Duchenne smile love

Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. 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).

Etymologies

After the French physician Duchenne de Boulogne (1806-1875). (Wiktionary)

Examples

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