trial tri‧al [ˈtraɪəl] noun [countable]
1. LAW a legal process in which a court of law examines a case to decide whether someone is guilty of a crime:

• Three former brokers were ordered to stand trial for securities fraud.

2. a process of testing a product to see whether it is safe, effective etc:

• The company expects clinical trials (= scientific tests on a drug to see if it is safe before it is sold ) to continue for two years.

— trial verb [transitive] :

• The language awareness course has been trialled with encouraging results.

— trialling noun [uncountable] :

• the development, trialling and pre-testing of materials

acˈceptance ˌtrial MANUFACTURING
testing by a customer of newly delivered equipment to check that it works correctly:

• He required some modifications to be carried out, after which final acceptance trials took place.

ˈfield ˌtrial
a test on a new piece of equipment done in the place where it is to be used rather than in a Laboratory, factory etc; = FIELD TEST:

• The system is designed to be carried on emergency vehicles and has undergone successful field trials with the Seattle Fire Department.

— compare pilot
3. by/​through trial and error if you do something by or through trial and error, you try several different ways of doing it to get the result you want:

• I got these machine settings right purely by trial and error.

* * *

trial UK US /ˈtraɪəl/ noun
[C] PRODUCTION a test to discover how safe, effective, etc. a product is: a clinical/drug/field trial »

The company conducted three clinical trials to determine the drug's safety.


conduct/run/undergo trials

[C or U] PRODUCTION, HR the process of using a product or employing a person for a short period in order to decide how effective or suitable they are: »

Under the scheme, employers fill a vacancy with a long-term unemployed individual on a trial basis for up to 15 working days.


You can buy the equipment on trial and take it back if you don't like it.


Agents are usually appointed for a trial period.

[C or U] LAW in a court of law, the process of judging whether a person is guilty of a crime or deciding a legal problem, which involves hearing statements, showing objects, etc.: await/face/stand trial »

He was ordered to stand trial on charges of unlawful computer use.

be/go/be put on trial for sth »

The former chief executive is on trial for fraud.


The company is scheduled to go to trial next year.


get/be given a fair trial

trial and error — Cf. trial and error
trial UK US /ˈtraɪəl/ verb [T] (-ll-, or -l-)
to test something in a formal way to discover how effective or suitable it is: »

The group is trialling internet ordering for its paper and plastic products.


The system will be trialed in the third quarter of the year in both the U.S. and Japan.

Financial and business terms. 2012.

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Look at other dictionaries:

  • trial — trial …   Dictionnaire des rimes

  • trial — tri·al n [Anglo French, from trier to try]: a judicial examination of issues of fact or law disputed by parties for the purpose of determining the rights of the parties compare hearing, inquest at trial: in or during the course of a trial Merriam …   Law dictionary

  • trial — [ trijal ] n. m. et f. • 1951; « épreuve automobile » 1943; mot angl. « essai, épreuve » ♦ Anglic. 1 ♦ N. m. Course motocycliste. ⇒ enduro, motocross. Faire du trial. 2 ♦ N. m. ou f. Moto conçue pour ce type de course. Des trials. ● trial nom… …   Encyclopédie Universelle

  • Trial — en el Bosque Negro, Alemania. Se conoce como trial a la modalidad deportiva sobre ruedas con o sin motor donde se trata de superar diferentes obstáculos delimitados en una trazada concreta dentro de una zona señalizada, utilizando para ello;… …   Wikipedia Español

  • Trial — steht für (v. lat.: tres „drei“) einen Numerus, siehe Trial (Grammatik) (v. engl.: trial „Versuch“, „Test“, „Erprobung“) eine Fahrzeugsportart, die auf Geschicklichkeit beruht, siehe Trial (Sport), Trial (Motorrad) oder Einrad… …   Deutsch Wikipedia

  • trial — 1 test, proof, demonstration (see under PROVE) Analogous words: inspection, examination, scanning, scrutiny (see under SCRUTINIZE): *process, proceeding, procedure 2 Trial, tribulation, affliction, visitation, cross are comparable when they… …   New Dictionary of Synonyms

  • trial — [trī′əl, trīl] n. [Anglo Fr < trier: see TRY] 1. a) the act or process of trying, testing, or putting to the proof; test b) a testing of qualifications, attainments, or progress; probation c) experimental treatment or operation; experiment 2 …   English World dictionary

  • trial — [adj] experimental balloon, exploratory, pilot, preliminary, probationary, provisional, tentative, test, testing; concepts 548,560 Ant. definite, known, proven trial [n1] test analysis, assay, attempt, audition, check, crack*, dry run*, effort,… …   New thesaurus

  • TRIAL — TRIAL, auch als Schweizerische Gesellschaft gegen Straflosigkeit bezeichnet, ist ein im Juni 2002 gegründeter Verein schweizerischen Rechts mit Sitz in Genf. Ziel des Vereins ist die Bekämpfung der Straflosigkeit von Völkermord, Kriegsverbrechen …   Deutsch Wikipedia

  • trial — ► NOUN 1) a formal examination of evidence in order to decide guilt in a case of criminal or civil proceedings. 2) a test of performance, qualities, or suitability. 3) (trials) an event in which horses or dogs compete or perform. 4) something… …   English terms dictionary

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