n. The process of obtaining accuracy in mechanical undertakings, whereby the result is attained by successive approximations. The first operation is tested and the error ascertained: then this error is corrected, and other trials made. Used in centering rough-finished work for the lathe operations, for the turning and boring of cast-pulleys, in making of face-plates, straight edges, valves, earings, and the like.n. The act of trying or making a test of something; a putting to proof by examination, experiment, use, exercise, or other means.n. The act of trying or making an effort; a seeking to do or effect something; a determining essay or attempt.n. A test of superiority; a contest; a competition.n. The state of being tried; probation by the experience or suffering of something; subjection to or endurance of affliction.n. That which tries or afflicts; a trying circumstance or condition; a hardship; an affliction.n. In law, the judicial investigation and determination of the issues between parties; that part of a litigation which consists in the examination by the court of the point in controversy, the hearing of the evidence, if any, and the determination of the controversy, or final submission of the cause for such determination.n. Something upon or by means of which a test is made; an experimental sample or indicator; a trial-piece.n. In ceramics, one of the pieces of ware which are used to try the heat of the kiln and the progress of the firing of its contents.n. To bring to a test; try.n. Synonyms Trial, Test, proof. Trial is the more general; test is the stronger. Test more often than trial represents that which is final and decisive: as, the guns, after a severe public test, were accepted.n. Attempt, endeavor, effort, essay, exertion.n. Trouble, affliction, distress, tribulation.n. Touchstone, ordeal.