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🇯🇵Japanese Source WordCode: JA

デュシェンヌ・スマイル

Pronunciation / Transliteration: Dyushennu Sumairu

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

"デュシェンヌ・スマイルは心からの笑顔を表します。"

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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Thesaurus & Semantic Spectrum

Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Named after Guillaume Duchenne, a 19th-century French neurologist who researched the mechanics of facial expression. He discovered that a genuine smile involves the contraction of both the zygomaticus major muscle (raising the corners of the mouth) and the orbicularis oculi muscle (creating crow's feet around the eyes).

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