duration
Americannoun
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the length of time something continues or exists (often used withthe ).
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continuance in time.
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(in the philosophy of Bergson) a temporal continuum, intuitively known, within which the élan vital operates.
noun
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Etymology
Origin of duration
First recorded in 1350–1400; Middle English, from Medieval Latin dūrātiōn-, stem of dūrātiō, from Latin dūrāt(us) “lasted” (past participle of dūrāre “to last”; see dure 2) + -iō -ion
Explanation
Duration is how long something lasts, from beginning to end. A duration might be long, such as the duration of a lecture series, or short, as the duration of a party. The noun duration has come to mean the length of time one thing takes to be completed. The duration of something might be known or not — in past times, the unknown length of time the current war would last was called "the duration. "Musical notes, such as whole notes, half notes, and quarter notes, have different set durations, or lengths of time for which they are held. These varying durations, when put together, create the rhythm of the music.
Vocabulary lists containing duration
Abraham Lincoln's Second Inaugural Address (1865)
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The Miraculous Journey of Edward Tulane
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Word Generation Weekly - Series 3
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The agreement only explicitly suspends Iranian tolls for the 60-day duration and calls for Iran and Oman to “conduct dialogue” about strait management alongside other Persian Gulf states and “in line with applicable international law.”
From MarketWatch • Jun. 26, 2026
Iran were originally due to be based in Tucson, Arizona, for the duration of the World Cup but moved their camp to Tijuana, Mexico in late May after encountering logistical and visa issues.
From BBC • Jun. 16, 2026
"As we have said before, much depends on the duration and intensity of the energy supply shock," Kristalina Georgieva wrote in a post on the Fund's website.
From Barron's • Jun. 15, 2026
In addition, information was not available on the duration of individual workouts or the intensity of strength training sessions, factors that could have influenced the results.
From Science Daily • Jun. 12, 2026
It was a long- duration flight, and Frank and Jim were scheduled to stay up for two weeks, provided no machinery broke, and provided they seemed to be continuing in good health.
From "Flying to the Moon: An Astronaut's Story" by Michael Collins
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
