bench test noun 1verb 1forms 3 noun1 •An individual test of a component, such as an electrical or mechanical device, that is performed with the component removed from its normal operating environment, notionally on a workshop bench.When the diesel engine has undergone its bench tests, and the various temperatures, loads and fuel consumptions have been recorded, it is then ready for coupling to the generator. — 1962 verb1 •To perform a bench test on.That’s funny, the throbulator was working fine when I bench tested it. formsbench tested · bench testing · bench tests