ulcer
B1CEFR level
30/100Rarity: fairly common
TechnicalRegister
A full-thickness loss of the epidermis and at least part of the dermis, which typically heals with scarring.
The venous ulcer over the medial malleolus had a sloping edge and a granulating base.
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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