trial - definition in the Learner's Dictionary - Cambridge Dictionaries Online

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trial

noun [C, U]
 
 
/traɪəl/
LAW B2 a legal process to decide if someone is guilty of a crime: The two men are now on trial for attempted murder. He will be taken to the US to stand trial.Court cases, orders and decisions
TEST a test of something new to find out if it is safe, works correctly, etc: The drug is currently undergoing clinical trials.Testing, checking and experimenting
trial and error a way of learning the best way to do something by trying different methods: There aren't any instructions with it - it's just a matter of trial and error.Trying and making an effortEffort and expending energyTesting, checking and experimenting
(Definition of trial from the Cambridge Learners Dictionary © Cambridge University Press)
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