| 单词 | crown wheel |
| 释义 | crown wheelnoun Horology.a wheel next to the winding knob, having two sets of teeth, one at right angles to its plane. any of various wheels having the form of a hoop or short cylinder with a serrated edge, as the escape wheel in a verge escapement. Origin of crown wheelFirst recorded in 1640–50 Words nearby crown wheelcrown-rump length, crown rust, crown saw, crown vetch, crown wart, crown wheel, crownwork, crow over, crow-pheasant, crow's-foot, crow's-nest Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for crown wheel
British Dictionary definitions for crown wheelcrown wheel nounhorology the wheel next to the winding knob that has one set of teeth at right angles to the other the larger of the two gears in a bevel gear Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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