| 单词 | sidereal |
| 释义 | sidereal /sī-dēˈri-əl/adjectiveOf, like, or relating to the stars ORIGIN: L sīdus, sīderis a star, constellation sideral /sidˈər-əl/ adjective Sent from the stars, said esp of a malign influence sidˈerate transitive verb To blast or strike siderāˈtion noun (now rare)
sidˈerostat noun A mirror, or telescope with a mirror, for reflecting the rays of a star in a constant direction, on the principle of the coelostat sidereal day noun The time the earth takes to make a revolution on its axis, relative to the time between two successive transits of a particular star sidereal month see under month sidereal period noun The time a celestial body takes to return to the same position in relation to the stars sidereal time noun Time based on the sidereal day sidereal year see under year |
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