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Raresidereal day
The correct spelling is sidereal day.
How to pronounce sidereal day
noun
Say it like: Sid-eree-l d-aee
The correct spelling is sidereal day. One day of sidereal time; the time in which Earth rotates once around its axis, relative to the point of the vernal equinox (about 23 hours, 56 minutes, 4 seconds)
Usage Examples
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Definition
noun
- 1.One day of sidereal time; the time in which Earth rotates once around its axis, relative to the point of the vernal equinox (about 23 hours, 56 minutes, 4 seconds)
- 2.Rotational period of Earth; the time in which Earth rotates around its axis 360 degrees
Similar words
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