testing

definition: the act of giving students or candidates a test (as by questions) to determine what they know or have learned
example:
speech part: noun
synonyms: examination
definition: the act of subjecting to experimental test in order to determine how well something works
example: they agreed to end the testing of atomic weapons
speech part: noun
synonyms:
definition: an examination of the characteristics of something
example: there are laboratories for commercial testing
speech part: noun
synonyms:

testing is explained and pronounced

How testing is being used?