n. 1. The act of testing or proving; trial; proof. [ 1913 Webster ]
2. (Metal.) The operation of refining gold or silver in a test, or cupel; cupellation. [ 1913 Webster ]
Testing machine (Engin.), a machine used in the determination of the strength of materials, as iron, stone, etc., and their behavior under strains of various kinds, as elongation, bending, crushing, etc. [ 1913 Webster ]
The M.E. tested diatom levels in the bodies and it turns out the unsub drowns his victims at different locations every time, not just where he abducts them or where the bodies are later discovered.
(n) 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
(n) an examination of the characteristics of something, Example:there are laboratories for commercial testing; it involved testing thousands of children for smallpox
(n) a region resembling a laboratory inasmuch as it offers opportunities for observation and practice and experimentation, Syn. laboratory, Example:the new nation is a testing ground for socioeconomic theories; Pakistan is a laboratory for studying the use of American troops to combat terrorism