9 Grammatical Pitfalls


[doo-rey-shuh n, dyoo-] /dʊˈreɪ ʃən, dyʊ-/
the length of time something continues or exists (often used with the).
continuance in time.
(in the philosophy of Bergson) a temporal continuum, intuitively known, within which the élan vital operates.
Origin of duration
1350-1400; Middle English < Medieval Latin dūrātiōn- (stem of dūrātiō), equivalent to Latin dūrāt(us) (past participle of dūrāre to last; see dure2) + -iōn- -ion
Related forms
durational, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for duration
  • Some authors have even supposed that, as the individual has a definite length of life, so have species a definite duration.
  • All in all, hundreds of performers appear on three stages over the event's duration.
  • Also, when you talk about duration or length in relativity, you always have to state with respect to which observer.
  • The fund seeks to maintain an effective duration of three and one-half to seven years under normal market conditions.
  • Spring and autumn are pleasant but short in duration.
  • Largely thanks to the entertainment industry's lawyers and lobbyists, copyright's scope and duration have vastly increased.
  • However, the frequency and duration of hurricanes overall have stayed about the same.
  • In the first case, there was little to remember, so your brain collapsed the feeling of duration.
  • Here are some tips for saving battery life that will keep your laptop alive for the duration of your journey.
  • In people who already have colds, exercise has no effect on the illness' severity or duration of the infection.
British Dictionary definitions for duration


the length of time that something lasts or continues
Derived Forms
durational, adjective
Word Origin
C14: from Medieval Latin dūrātiō, from Latin dūrāre to last
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for duration

late 14c., from Old French duration, from Medieval Latin durationem (nominative duratio), noun of action from past participle stem of Latin durare "harden" (see endure). Old legalese phrase for the duration popularized 1916 in reference to British enlistments in World War I.

Online Etymology Dictionary, © 2010 Douglas Harper
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