Test"ing (?), n.
1.
The act of testing or proving; trial; proof.
2. Metal.
The operation of refining gold or silver in a test, or cupel; cupellation.
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.
© Webster 1913.