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convulsion

convulsion

20 7.3
A sudden uncontrolled shaking of the body when muscles tighten
  • noun
  • /kənˈvəlʃən/
  • Specialized
translation icon : convulsión
  • During the episode, he experienced violent convulsions that made it hard to control his body.
  • a generalized convulsion
  • febrile convulsions

So, you know, first child suddenly at six months has a convulsion.

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Examples

  • Val tucks Danny's jacket around him tighter, but the convulsions only get worse.

    Fiction book (1990)
  • Four patients had recovered from cerebral malaria, and three had had convulsions complicating their malaria.

    Academic text (1999)
  • I had a vague belief that he was suffering from a fit, some kind of convulsion.

  • "I got my arms around him, but a convulsion through my abdomen broke my control.

    Fiction book (1999)
  • Louis, he's having a convulsion.

  • You' d better have your legs tied down in case of convulsions.

  • His body seemed to jerk and pitch with every convulsion that raced through her.

    Fiction book (1997)
  • In stage three, convulsions and hallucinations.

  • He went into convulsions or something.

  • She apparently went into convulsions and into a coma.

Synonyms

seizure
vsconvulsion
  • Specialized
190 5.5

A sudden attack that makes the body shake or lose awareness

is the physical muscle movement that can result from that brain event
fit
vsconvulsion
163 8.1

A sudden strong show of emotion, like a child's tantrum

is specifically a violent involuntary muscle movement not general behaviors
muscle spasm
vsconvulsion
  • Specialized
7 3.4

A sudden tight movement of a muscle that hurts or feels uncomfortable

is a more violent whole body movement rather than a single muscle event
paroxysm
vsconvulsion
3 9.9

A sudden strong burst of feeling, for example coughing or laughter

is a bodily muscle contraction rather than an emotional or behavioral outburst
myoclonus
vsconvulsion
  • Specialized
1 9.9

A sudden muscle twitch you cannot control

is a stronger, more violent body movement often affecting many muscles

How Violent

seizure
  • Specialized
190 5.5
convulsion
  • Specialized
20 7.3
spasm
  • Specialized
58 3.9
to twitch
66 2.8

Surface Forms

convulsion singular
convulsions plural

Morphology

convulsion = convulse (transparent) = convulse + ion

The noun is a standard nominalization of the verb 'convulse' with '-ion', so the medical meaning is directly derived from the verb.

Etymology

Convulsion comes from Latin parts con- ('together') and vellere ('to pull'), which paints a picture of muscles being pulled sharply at the same time. So a convulsion is a sudden, violent movement of the body.