edema
B2CEFR level
55/100Rarity: uncommon
TechnicalRegister
An abnormal accumulation of fluid in the tissues, causing swelling that is often first noticed in the lower limbs.
The nurse noted pitting edema to mid-calf and elevated the patient's legs to promote venous return.
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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