A test that simulates acid rain conditions by subjecting test specimens to a sulfur dioxide atmosphere as well as condensing moisture for the purpose of evaluating rust/corrosion characteristics.

(immunology) A skin test for tuberculosis, involving an injection of PPD (purified protein derivative).

(medicine) A test of fitness in which a person exercises for a defined period

(medicine) A test of cardiac function after a standardized amount of exertion. / Any test of function in response to stress.

A method of determining the general classification of ferrous materials that normally requires taking a piece of metal, usually scrap, to a grinding wheel and observing the sparks emitted.

present participle of spark test

(archaeology) An excavation unit of small extent and shallow depth, made quickly with a shovel or trowel to determine whether archeologically significant material is present below the ground surface.

(archaeology) To examine a site or area using one or more small excavation units.

A test done to determine the biological father of a child.

A test done before a course, to determine the students' level of ability or knowledge.