Astronomy. An instrument for measuring the altitude of the sun, consisting of a circle mounted in the plane of the meridian; an armillary circle (cf…
| 单词 | θ1504 |
| 释义 | the world > the universe > cosmology > science of observation > astronomical instruments > [noun] > astrolabe > astronomer's ring (2) ring1551 Astronomy. An instrument for measuring the altitude of the sun, consisting of a circle mounted in the plane of the meridian; an armillary circle (cf… mariner's ring1574 an astrolabe adapted for use at sea. |
| 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。