| 单词 | angle of weather |
| 释义 | > as lemmasangle of weather 4. The angle which the sails of a windmill make with the perpendicular to the axis. More fully, angle of weather. ΘΚΠ society > occupation and work > equipment > mills > [noun] > windmill > operations of weather1760 1760 J. Smeaton in Philos. Trans. 1759 (Royal Soc.) 51 141 The angle of the sails is accounted from the plain of their motion; that is, when they stand at right angles to the axis, their angle is denoted 0°, this notation being agreeable to the language of practitioners, who call the angle so denoted, the weather of the sail. 1825 ‘J. Nicholson’ Operative Mechanic 138 In the mill-wright's terms, the greatest angle of weather was 30 degrees, and the least varied from 12 to 6 degrees, as the inclination of the windshaft varied from 8 to 15 degrees. < as lemmas |
| 随便看 |
|
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。