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Adjective: trialled  trI-uld
Usage: Brit, Cdn (US: trialed)
  1. Tested, as in a drug trial run by a pharmaceutical company
    "The new vaccine was trialled on thousands of volunteers";
    - trialed [US]
Verb: trial (trialled,trialling, or [US] trialed,trialing)  trI-ul
  1. Attempt to determine the quality, value, or truth of something by testing or experiment
    - test, prove, try, try out, examine, essay
     
  2. Test or introduce something on a small scale before wider implementation
    "The company trialed the new system in three stores";
    - pilot

Type of: evaluate, judge, pass judgment

Encyclopedia: Trialled

Trial