1. (

• testing

) the act of subjecting to experimental test in order to determine how well something works; "they agreed to end the testing of atomic weapons" ;

2. (

• testing ,

) an examination of the characteristics of something; "there are laboratories for commercial testing"; "it involved testing thousands of children for smallpox" ;

3. (

• examination ,
• testing ,

) the act of giving students or candidates a test (as by questions) to determine what they know or have learned ;