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trial run
 
Noun trial run has 1 sense
  1. trial, trial run, test, tryout - trying something to find out about it; "a sample for ten days free trial"; "a trial of progesterone failed to relieve the pain"
    --1 is a kind of experiment, experimentation
    --1 has particulars:
     field trial, field test; alpha test; beta test; road test; trial balloon
trial balloon trial by battle trial by ordeal trial court trial impression trial judge trial lawyer trial period trial run trialblazer trialed trialeurodes trialeurodes vaporariorum trialing trials triamcinol triamcinolone

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