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English Lexicon

Trismus

/ˈtrɪz.məs/
nounCEFR C2 (Proficient)Top #15400 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A prolonged spasm of the jaw muscles, commonly known as lockjaw, preventing the mouth from opening fully.

    "The patient presented with severe trismus, making oral examination extremely difficult."
  2. 2

    An early symptom of tetanus characterized by stiffness of the jaw.

    "Trismus is often the initial clinical sign that alerts physicians to a potential tetanus infection."
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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from the ancient Greek word 'trismos', meaning a gnashing or grating of the teeth, originating from 'trizein', to make a grating noise or squeak. It entered medical Latin and subsequently modern European languages during the Renaissance as a precise clinical term for tonic spasm of the jaw muscles.

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