- runout
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/run"owt'/, n.1. Mach.a. the gradual termination of a groove on the body of an object not ending there, as the upper termination of a flute in a twist drill.b. Also called back clearance. a space in a depressed area of an object into which a machine tool or grinding wheel may safely enter at the end of a pass or operation.2. the merging of a curved surface into another surface.3. an act or instance of running away so as to evade, abandon, or avoid something.4. a person who runs away so as to avoid payment or duty.5. an act or instance of expiring or becoming depleted: the runout of a union contract; a runout in office supplies.6. uneven wear on the outer edges of a tire or on the rim of a wheel.[1925-30; n. use of v. phrase run out]
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Universalium. 2010.