du·​ra·​tion | \ du̇-ˈrā-shən How to pronounce duration (audio) also dyu̇- \

Definition of duration

1 : continuance in time gradually increase the duration of your workout
2 : the time during which something exists or lasts were there for the duration of the concert

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Examples of duration in a Sentence

You should gradually increase the duration of your workout. for the whole duration of the speech the bored audience fidgeted
Recent Examples on the Web During this part of the long duration heat wave, at least five locations broke or tied their all-time record high temperatures. Madeline Holcombe And Joe Sutton, CNN, 12 July 2021 The risk comes from long-duration indoor exposure to a large number of people every day. Faye Flam Bloomberg Opinion, Star Tribune, 8 July 2021 To save that precious cargo weight for other life-supporting gear, NASA and Tide are developing a special formula for space detergent with long-duration missions in mind, as well as a space-friendly washing machine. Stefanie Waldek, House Beautiful, 25 June 2021 This, along with adaptations for online shopping and safety protocols, has led to a spike in sales and longer-duration visits. Anthony Grosso, Forbes, 25 June 2021 These conditions are priority medical concerns during long-duration space flight. David L. Coddon, San Diego Union-Tribune, 10 June 2021 Whitson, 61, holds a doctorate in biochemistry and ranks ninth in the world for most time in space, logging nearly 666 days in orbit during three long-duration stays aboard the International Space Station. William Harwood, CBS News, 25 May 2021 The real sticker shock, however, comes from paying for the labor the long-duration space station crew members will perform while helping their visitors—another $5.2 million per mission. Jeffrey Kluger, Time, 11 May 2021 Without pitstops, drivers are expected to run the duration of the event, both heats and feature, with the same set of tires. Rob Peeters, The Indianapolis Star, 5 July 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'duration.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of duration

14th century, in the meaning defined at sense 1

History and Etymology for duration

see durance

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Learn More About duration

Time Traveler for duration

Time Traveler

The first known use of duration was in the 14th century

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Dictionary Entries Near duration

durante vita



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Statistics for duration

Last Updated

21 Jul 2021

Cite this Entry

“Duration.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/duration. Accessed 30 Jul. 2021.

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More Definitions for duration



English Language Learners Definition of duration

: the length of time that something exists or lasts


du·​ra·​tion | \ du̇-ˈrā-shən How to pronounce duration (audio) , dyu̇- \

Kids Definition of duration

: the time during which something exists or lasts The illness is of short duration.

More from Merriam-Webster on duration

Nglish: Translation of duration for Spanish Speakers

Britannica English: Translation of duration for Arabic Speakers


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