duration

Duration is defined as the length of time that something lasts.

(noun)

When a film lasts for two hours, this is an example of a time when the film has a two hour duration.

See duration in Webster's New World College Dictionary

noun

Origin: ME duracioun < ML duratio < pp. of L durare: see durable

See duration in American Heritage Dictionary 4

noun

Continuance or persistence in time.
A period of existence or persistence: sat quietly through the duration of the speech.
The number of years required to receive the present value of future payments, both of interest and principle, of a bond, often used as an indicator of a bond's price volatility resulting from changes in interest rates.

Origin:

Origin: Middle English duracioun

Origin: , from Old French duration

Origin: , from Medieval Latin dūrātiō, dūrātiōn-

Origin: , from Latin dūrātus

Origin: , past participle of dūrāre, to last; see deuə- in Indo-European roots

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