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English to English adjective
| 1 |
of or relating to the stars or constellations |  | Example: sidereal bodies
the sidereal system
source: wordnet30
| 2 |
(of divisions of time) determined by daily motion of the stars | | Example: sidereal time
source: wordnet30
| 3 |
Relating to the stars; starry; astral; as, sidereal astronomy. | | source: webster1913
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