embolism
C1CEFR level
70/100Rarity: rare
TechnicalRegister
The blockage of a blood vessel by a clot or other material that has travelled from elsewhere in the body.
The clot in her leg broke off and caused a pulmonary embolism.
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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