well-demarcated
C2CEFR level
75/100Rarity: rare
TechnicalRegister
Describing a lesion with a sharply defined border that is clearly distinguishable from adjacent normal skin.
The well-demarcated erythematous plaque with a raised advancing edge was highly suggestive of erysipelas.
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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