| 单词 | runout |
| 释义 | runout /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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