athetosis
C2CEFR level
94/100Rarity: very rare
TechnicalRegister
A movement disorder featuring slow, writhing, continuous involuntary movements, usually of the hands and feet.
The child's athetosis produced constant sinuous writhing of the fingers, characteristic of dyskinetic cerebral palsy.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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