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  1. the period of time between two closely related events, phenomena, etc., as between stimulus and response or between cause and effect: a time-lag between the declaration of war and full war production.

Origin of time-lag

First recorded in 1890–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for time-lag

Historical Examples

  • The time-lag was roughly three seconds for a distance of 203.7 light-years.

    Operation: Outer Space

    William Fitzgerald Jenkins

  • There is, as a rule—in the economists' term—far too great a "time-lag" in the making of the best reputations.

  • Ewing draws attention to a curious consequence of this time-lag.

  • They don't understand how they can talk to us without even the time-lag between Earth and Lunar City.

    Operation: Outer Space

    William Fitzgerald Jenkins

  • That isn't much to depend on, especially since we won't have the time-lag advantage you Omans had before.

    Masters of Space

    Edward Elmer Smith

British Dictionary definitions for time-lag


  1. an interval between two connected events
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