Experiment (3,3)
'experiment' is the definition.
(I know that test is a type of experiment)
This is the entire clue.
(Other definitions for test that I've seen before include "Exam to play international cricket" , "Ward off" , "Experiment" , "Examine to play international cricket match" , "Sample" .)
'experiment' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for try out that I've seen before include "Test and evaluate" , "Sample" , "Taste" , "Put to experimental use" .)