Definition of "duration"

duration

/djʊˈɹeɪʃn̩/

noun
countable and uncountable, plural durations
1. An amount of time or a particular time interval.
  Quotations
  To make matters worse, we pass through a torrential rainstorm, which makes window-gazing almost impossible, leaving me glad that the trip is less than 30 minutes duration.
  2022 November 16, Paul Bigland, “From rural branches to high-speed arteries”, in RAIL, number 970, page 55
2. (in the singular, not followed by "of") The time taken for the current situation to end, especially the current war
3. (finance) A measure of the sensitivity of the price of a financial asset to changes in interest rates, computed for a simple bond as a weighted average of the maturities of the interest and principal payments associated with it.