English Explanatory Dictionary

Duchenne smile

English dictionary entry

Meanings

noun
  1. 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).

Word forms

Duchenne smile Duchenne smiles

Etymology

Named after the French physician Guillaume Duchenne de Boulogne (1806–1875) who identified it.

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