concussion

English dictionary entry

Meanings

noun
  1. A violent collision or shock.
  2. An injury to part of the body, most especially the brain, caused by a violent blow, followed by loss of function.
  3. The unlawful forcing of another by threats of violence to yield up something of value.

Pronunciation

/kənˈkʌʃən/ /kənˈkʊʃən/ /ˈkɒnˈkʊʃən/ /kəŋkˈəʃɪn/ /kənˈkəʃn̩/ /kənˈkʌʃn̩/ En-us-concussion.ogg

Word forms

concussion concussions

Etymology

From Latin concussiō. Equivalent to concuss + -ion.

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