Simple Definition of duration

from our Learner's Dictionary

duration

noun

dʊˈreɪʃən

British djʊˈreɪʃən

: the length of time that something exists or lasts

You should gradually increase the duration of your workout.

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“Duration.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/duration. Accessed 21 Jun. 2026.

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