duration
B1CEFR level
20/100Rarity: fairly common
TechnicalRegister
Medicine noun
The length of time for which a symptom has been present.
Can you tell me the duration of the headache, and whether it is constant?
Business noun
A measure of a bond's price sensitivity to changes in interest rates.
The fund shortened duration ahead of the rate rise to protect the portfolio's value.
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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