Meaning of SIDEREAL DAY
| Pronunciation: | | sI'deereeul dey
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 WordNet Dictionary |
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| | Definition: | |
[n] the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day |
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| | Synonyms: | | day |
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| | See Also: | | sidereal time, time unit, unit of time | |
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