| 单词 | colure |
| 释义 | colure /keuh loor", koh-, koh"loor/, n. Astron. either of two great circles of the celestial sphere intersecting each other at the poles, one passing through both equinoxes and the other through both solstices. [1540-50; < LL colurus < Gk kólouros dock-tailed, equiv. to kól(os) docked + -ouros -tailed, adj. deriv. of ourá tail; so called because the lower part is permanently hidden beneath the horizon] |
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