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sidereal
[sahy-deer-ee-uhl]
adjective
determined by or from the stars.
sidereal time.
of or relating to the stars.
sidereal
/ ɪˈɪəɪə /
adjective
of, relating to, or involving the stars
determined with reference to one or more stars
the sidereal day
sidereal
Relating to the stars or constellations.
Measured with respect to the background of fixed stars instead of the Sun.
Other Word Forms
- sidereally adverb
- nonsidereal adjective
- unsidereal adjective
- ˈ adverb
Word History and Origins
Word History and Origins
Origin of sidereal1
Example Sentences
That’s where Mercer’s triumph manifests itself, there at the end of the great sidereal cycle.
Note: For simplicity’s sake, these are all sidereal days, and “day” refers to an Earth day.
It's that time of the sidereal year where we take stock of what's been going on during the last orbit of Earth around the Sun.
But one puzzling signal showed up most days at the same sidereal time.
Mr Beck, Rocket Lab’s wise man, has taken it upon himself to create his own sidereal epiphany.
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