| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024co•lure (kə lŏŏr′, kō-, kō′lŏŏr),USA pronunciation n. [Astron.]- Astronomyeither 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.
- Greek kólouros dock-tailed, equivalent. to kól(os) docked + -ouros -tailed, adjective, adjectival derivative of ourá tail; so called because the lower part is permanently hidden beneath the horizon
- Late Latin colūrus
- 1540–50
Collins Concise English Dictionary © HarperCollins Publishers:: colure /kəˈlʊə; ˈkəʊlʊə/ n - either of two great circles on the celestial sphere, one of which passes through the celestial poles and the equinoxes and the other through the poles and the solstices
Etymology: 16th Century: from Late Latin colūrī (plural), from Greek kolourai cut short, dock-tailed, from kolos docked + oura tail; so called because the view of the lower part is curtailed |