otitis externa
B2CEFR level
60/100Rarity: rare
TechnicalRegister
Inflammation of the skin lining the external auditory canal, often infective in origin.
Swimmers are prone to otitis externa because retained moisture macerates the canal skin.
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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