antrostomy
C2CEFR level
96/100Rarity: very rare
TechnicalRegister
The surgical creation of an opening into the maxillary antrum to promote drainage and ventilation.
A middle-meatal antrostomy was performed to restore drainage of the diseased maxillary sinus.
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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