Dec 1, 2018 - 00:00
Dec 1, 2018 - 00:00
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SID'ERAL, SIDE'REAL, a. [L. sideralis, from sidus, a star.]

1. Pertaining to a star or stars; astral; as sideral light.

2. Containing stars; starry; as sidereal regions. Sidereal year, in astronomy, the period in which the fixed stars apparently complete a revolution and come to the same point in the heavens.

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