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trial run

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noun
  1. a preliminary performance or test of something, as of the operation of a ship or the effectiveness of a play.
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Origin of trial run

First recorded in 1900–05
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

rehearsal, trial, tryout
British Dictionary definitions for trial run

trial run

noun
  1. a test drive in a vehicle to assess its performance
  2. a test or rehearsal of something new or untried to assess its effectiveness
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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