bronchiolitis
C1CEFR level
72/100Rarity: rare
TechnicalRegister
A common viral chest infection of infants that inflames the smallest airways and causes wheezing and feeding difficulty.
The three-month-old with bronchiolitis was admitted because he was only taking half his usual feeds.
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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