- 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 Derived forms: verb try out1, verb try out4 - audition, tryout - a test of the suitability of a performer
--2 is a kind of test, trial, run
--2 has particulars: screen testDerived form: verb try out3