Test (4)

'test' is the definition.
(beta test is a kind of test)
This is the entire clue.
(Other definitions for beta that I've seen before include "Letter before gamma" , "Greek letter -- second in order of importance" , "software under test" , "character in Marathon" , "testing stage" .)
'test' is the definition.
(I know that test can be written as exam)
This is the entire clue.
(Other definitions for exam that I've seen before include "Important test" , "Student test" , "paper" , "One might be taken for English" , "Formal knowledge test" .)
Can you help me to learn more?
'test' is the definition.
(synonyms)
This is all the clue.
(Other definitions for try out that I've seen before include "Test and evaluate" , "Taste" , "Put to experimental use" , "Sample" .)
'test' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for assay that I've seen before include "Test (a metal or ore)" , "Test(ing) of a substance, such as precious metal" , "metallurgical test" , "Test quality of metals" , "'Analyse, precious metal, say (5)'" .)
'test' is the definition.
(synonyms)
This is all the clue.
(Other definitions for trial that I've seen before include "Suffering - litigation" , "Legal case" , "Judicial hearing and judgment" , "Experimental treatment" , "Court hearing" .)