testing

1. difficult, tough

1. 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. an examination of the characteristics of something

- there are laboratories for commercial testing

- it involved testing thousands of children for smallpox

Definition categories: act, examination, scrutiny

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

Similar word(s): examination

1. present participle of test

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