noun An amount of time or a particular time interval.
The duration of the flight will be about 2 hours 45 minutes.
noun The time taken for the current situation to end, especially the current war.
Rationing will last at least for the duration.
noun 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.