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Definition of test run noun from the Oxford Advanced Learner's Dictionary

test run

noun
 
/ˈtest rʌn/
 
/ˈtest rʌn/
(also trial run)
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  1. a test of how well something new works, so that you can see if any changes are necessary
See test run in the Oxford Advanced American Dictionary
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buttercup
noun
 
 
From the Topic
Plants and trees
C2
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