Trial-error

trial and error

noun
experimentation or investigation in which various methods or means are tried and faulty ones eliminated in order to find the correct solution or to achieve the desired result or effect.

Origin:
1800–10

trial-and-error, adjective
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Collins
World English Dictionary
trial and error
 
n
a method of discovery, solving problems, etc, based on practical experiment and experience rather than on theory: he learned to cook by trial and error

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Cultural Dictionary

trial and error definition


To “proceed by trial and error” is to experiment, rejecting what does not work and adopting what does.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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