A kind of apparatus for solving astronomical problems; = volvelle, n.
| 单词 | θ1437 |
| 释义 | the world > the universe > cosmology > science of observation > astronomical instruments > sun and moon > [noun] (4) lunary14.. A kind of apparatus for solving astronomical problems; = volvelle, n. rotula1746 Astronomy. A mechanical device showing the motion of the sun and moon and their position for each day of the year. More fully astronomical rotula… lunarium1786 An instrument representing the phases and motions of the moon. Cf. lunary, n.2 Subcategories:— moon (1) |
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