sidereal time
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sidereal time
n.
Time based on the rotation of the earth with reference to the background of stars.
sidereal time
n
(Astronomy) time based upon the rotation of the earth with respect to the distant stars, the sidereal day being the unit of measurement. See also sidereal day
side′real time′
n.
time measured by the diurnal motion of stars.
[1805–15]
sidereal time
Time measured by Earth’s rotation against the stars.
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| Noun | 1. | sidereal time - measured by the diurnal motion of stars cosmic time - the time covered by the physical formation and development of the universe sidereal day, day - the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day sidereal year - the time for the earth to make one complete revolution around the sun, relative to the fixed stars sidereal hour - 1/24 of a sidereal day sidereal month - period between successive conjunctions with a star, 27.322 days |
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