| 释义 |
rack and pinion
rack and pinionn. A device for the conversion of rotary and linear motion, consisting of a pinion and a mated rack.
rack′-and-pin′ion adj.rack1 (ræk)
n. 1. a framework of bars, pegs, etc., on which articles are arranged or deposited: a clothes rack. 2. a fixture containing tiered shelves, often affixed to a wall: a spice rack. 3. a framework set up on a vehicle to carry loads. 4. a. a triangular wooden frame in which balls are arranged before a game of pool. b. the balls so arranged. 5. Mach. a. a bar, with teeth on one of its sides, adapted to engage with the teeth of a pinion (rack and pinion) or the like, as for converting circular into rectilinear motion or vice versa. b. a bar having a series of notches engaging with a pawl or the like. 6. a former instrument of torture on which a victim was slowly stretched. 7. a cause or state of intense suffering of body or mind. 8. violent strain. 9. a pair of antlers. v.t. 10. to torture; distress acutely; torment. 11. to strain in mental effort: to rack one's brains. 12. to strain by physical force or violence. 13. to stretch the body of (a person) on a rack. 14. rack up, a. Pool. to put (the balls) in a rack. b. to gain, achieve, or score: The new store is racking up profits. [1250–1300; Middle English rakke, rekke (n.) < Middle Dutch rac, rec, recke] rack2 (ræk)
n. wreckage or destruction; wrack: to go to rack and ruin. [1590–1600; variant of wrack1] rack3 (ræk)
n. 1. the fast pace of a horse in which the legs move in lateral pairs but not simultaneously. v.i. 2. (of horses) to move in a rack. [1570–80; perhaps alter. of rock2] rack4 (ræk)
n. 1. a group of drifting clouds. v.i. 2. to drive or move, esp. before the wind. [1350–1400; Middle English rak] rack5 (ræk)
v.t. to draw off (wine, cider, etc.) from the lees. [1425–75; < Old French] rack6 (ræk)
n. 1. the neck portion of mutton, pork, or veal. 2. the rib section of a foresaddle of lamb, veal, etc. [1560–70; orig. uncertain] Thesaurus| Noun | 1. | rack and pinion - a wheel gear (the pinion) meshes with a toothed rack; converts rotary to reciprocating motion (and vice versa)cogwheel, gear, gear wheel, geared wheel - a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion |
Translations
rack and pinion
rack and pinion[′rak ən ′pin·yən] (mechanical engineering) A gear arrangement consisting of a toothed bar that meshes with a pinion. LegalSeeRackrack and pinion
Words related to rack and pinionnoun a wheel gear (the pinion) meshes with a toothed rackRelated Words- cogwheel
- gear
- gear wheel
- geared wheel
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