duration

noun

1. (countable, uncountable)An amount of time or a particular time interval.

   “The duration of the flight will be about 2 hours 45 minutes.”

   “She was moaning for the entire duration of the advert break.”

   “an intermission of 15 minutes' duration”

   “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.”

2. (countable, singular, uncountable)The time taken for the current situation to end, especially the current war.

   “Rationing will last at least for the duration.”

3. (countable, uncountable)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.