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English definition of “trial”

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trial

noun  /ˈtrɑɪˌəl, trɑɪl/ us  

trial noun (LEGAL PROCESS)

[C/U] the examination in a court of law of the facts of a case to decide whether a person is guilty of a crime or responsible for an injury to another person: [C] a criminal/civil trial [U] The case will soon go to trial (= begin). [U] She must still stand trial (= be judged in a court of law).on trial If someone is on trial, the case in which that person's guilt is being judged has begun: He was on trial for assault and robbery.

trial noun (TEST)

[C/U] a test, usually over a limited period of time, to discover how effective or suitable something or someone is: [C] The agency plans to conduct clinical trials of the drug. [U] We have the videotapes on a trial basis for one week – if we don’t like them, we can send them back.

trial noun (PROBLEM)

[C] something or someone that causes anxiety or problems: the trials of adolescence
(Definition of trial from the Cambridge Academic Content Dictionary © Cambridge University Press)
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