- An amount of time or a particular time interval.
- (in the singular, not followed by "of") The time taken for the current situation to end, especially the current war
- Rationing will last at least for the duration.
- (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.
amount of time
- Duration (disambiguation) on Wikipedia.Wikipedia
- Bond duration on Wikipedia.Wikipedia
- dictionary.reference.com entry