CONCUSSION

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does concussion mean? 

• CONCUSSION (noun)
  The noun CONCUSSION has 2 senses:

1. injury to the brain caused by a blow; usually resulting in loss of consciousness

2. any violent blow

  Familiarity information: CONCUSSION used as a noun is rare.

 Dictionary entry details 

• CONCUSSION (noun)

Sense 1

Meaning:

Injury to the brain caused by a blow; usually resulting in loss of consciousness

Classified under:

Nouns denoting natural events

Hypernyms ("concussion" is a kind of...):

accidental injury; injury (an accident that results in physical damage or hurt)

Derivation:

concuss (shake violently)

Sense 2

Meaning:

Any violent blow

Classified under:

Nouns denoting natural events

Hypernyms ("concussion" is a kind of...):

blow; bump (an impact (as from a collision))

Derivation:

concuss (shake violently)

 Context examples 

But other head injuries can be more severe, such as a skull fracture, concussion, or traumatic brain injury.

(Head Injuries, NIH: National Institute of Neurological Disorders and Stroke)

Symptoms of a concussion may not start right away; they may start days or weeks after the injury.

(Concussion, Centers for Disease Control and Prevention)

Blast causes pulmonary concussion and hemorrhage, laceration of other thoracic and abdominal viscera, ruptured ear drums, and minor effects in the central nevous system.

(Blast Injury, NLM, Medical Subject Headings)

There was of course a considerable concussion as the vessel drove up on the sand heap.

(Dracula, by Bram Stoker)

Beside him lay the heavy poker, bent into a curve by the concussion.

(The Return of Sherlock Holmes, by Sir Arthur Conan Doyle)

Soccer players who head the ball a lot are three times more likely to have concussion symptoms than players who don't head the ball often, according to a new study.

(Soccer Players: More Headers, More Concussions, The Titi Tudorancea Bulletin)

Athletes who return to play before full recovery are at high risk for long-term symptoms like headaches, dizziness, and cognitive deficits with subsequent concussions.

(Biomarker in blood may help predict recovery time for sports concussions, NIH)

The path, as you ascend higher, is intersected by ravines of snow, down which stones continually roll from above; one of them is particularly dangerous, as the slightest sound, such as even speaking in a loud voice, produces a concussion of air sufficient to draw destruction upon the head of the speaker.

(Frankenstein, by Mary Wollstonecraft Shelley)

As to the sad catastrophe itself, it could be canvassed only in one style by a couple of steady, sensible women, whose judgements had to work on ascertained events; and it was perfectly decided that it had been the consequence of much thoughtlessness and much imprudence; that its effects were most alarming, and that it was frightful to think, how long Miss Musgrove's recovery might yet be doubtful, and how liable she would still remain to suffer from the concussion hereafter!

(Persuasion, by Jane Austen)

Concussions are a common type of sports injury.

(Concussion, Centers for Disease Control and Prevention)