🇵🇹Portuguese Source WordCode: PT

sorriso de Duchenne

Pronunciation / Transliteration: suˈrizu dʒi duˈʃɛni

🇬🇧 Direct English Meaning:
Duchenne smile/duːˈʃɛn smaɪl/
nounCEFR C1 (Advanced)Top #45000 frequency
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🇵🇹 Example Sentence in Portuguese:

"O sorriso de Duchenne é caracterizado pelo movimento dos olhos."

Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A genuine smile that involves contraction of both the zygomatic major muscle (which raises the corners of the mouth) and the orbicularis oculi muscle (which creates crow's feet around the eyes).

    "Psychologists noted a true Duchenne smile on her face when she saw her childhood pet."
  2. 2

    A facial expression widely recognized as an involuntary indicator of true happiness or amusement.

    "It is notoriously difficult to fake a Duchenne smile on demand."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Named after the 19th-century French neurologist Guillaume Duchenne, who researched the mechanics of facial expressions using electrical stimulation. He discovered that a genuine, felt smile involves the simultaneous contraction of both the zygomaticus major muscle (which raises the corners of the mouth) and the orbicularis oculi muscle (which creates crinkles around the eyes).

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