corticosteroid
B2CEFR level
50/100Rarity: uncommon
TechnicalRegister
An anti-inflammatory drug based on the hormones produced by the adrenal cortex.
A short course of oral corticosteroid was prescribed to settle the asthma exacerbation.
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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