A filmed audition to test the screen-acting ability of a potential actor. / (slang) Synonym of rough ride

A test for leaks involving blowing smoke into a tube or pipe.

To perform any of the above tests.

(idiomatic) An informal check of an idea or proposal, using one's common sense or sense of propriety.

A fluoroscopic medical test during which the examinee is asked to "sniff" (quickly breathe in through the nose); diaphragm fluoroscopy.

A measurement performed on motor vehicles, required by the DMV, to prevent issuing valid registration if an excessive amount of waste fumes are produced during typical use. Cars typically are placed on a dynamometer to simulate different driving speeds.

(idiomatic) To test something or someone; to evaluate, scrutinize or explore by testing or experimentation.

Synonym of Mull of Kintyre rule

To subject a person to a means test, or to require a means test in order to receive a benefit

An inquiry into the financial position of a person applying for some form of financial assistance in order to determine their eligibility.