neutropenia
C1CEFR level
70/100Rarity: rare
TechnicalRegister
A reduction in circulating neutrophils below the reference range, markedly increasing susceptibility to bacterial infection.
Febrile neutropenia after chemotherapy is a medical emergency requiring immediate empirical antibiotics.
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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