testing (Noun) — The act of subjecting to experimental test in order to determine how well something works. ex. "they agreed to end the testing of atomic weapons"
testing (Noun) — An examination of the characteristics of something. ex. "there are laboratories for commercial testing" ex. "it involved testing thousands of children for smallpox"
testing (Noun) — The act of giving students or candidates a test (as by questions) to determine what they know or have learned.
testing (Verb) — Put to the test, as for its quality, or give experimental use to. ex. "Test this recipe"
testing (Verb) — Check for the presence of disease or infection. ex. "test the blood for the HIV virus"
testing (Verb) — Examine someone's knowledge of something. ex. "The teacher tests us every week"
testing (Verb) — Show a certain characteristic when tested. ex. "He tested positive for HIV"
testing (Verb) — Achieve a certain score or rating on a test. ex. "She tested high on the LSAT and was admitted to all the good law schools"
testing (Verb) — Determine the presence or properties of (a substance).
testing (Verb) — Undergo a test. ex. "She doesn't test well"