dissection
B2CEFR level
35/100Rarity: fairly common
TechnicalRegister
A tear in an arterial wall allowing blood to split its layers and create a false lumen.
Aortic dissection was suspected from the tearing chest pain radiating to the back.
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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