intercostal recession
C2CEFR level
90/100Rarity: very rare
TechnicalRegister
The inward drawing of the skin between the ribs during breathing, indicating increased effort.
The infant showed intercostal recession and grunting, signs of significant respiratory effort.
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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