 sidereal |
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| 1. | [ adjective ] of or relating to the stars or constellations | |
| Examples: | "sidereal bodies" "the sidereal system" |
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| Related terms: | constellation | |
| 2. | [ adjective ] (of divisions of time) determined by daily motion of the stars | |
| Examples: | "sidereal time" |
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| Related terms: | civil | |
