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From Biology-Online Dictionary | Biology-Online Dictionary
1. The act of testing or proving; trial; proof.
2. (Science: chemistry) The operation of refining gold or silver in a test, or cupel; cupellation.
(Science: engineering) Testing machine, 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.