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Dictionary entry overview: What does sidereal day mean?
• SIDEREAL DAY (noun)
The noun SIDEREAL DAY has 1 sense:
1. the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day
Familiarity information: SIDEREAL DAY used as a noun is very rare.
Dictionary entry details
|Sense 1||sidereal day [BACK TO TOP]|
The time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day
Nouns denoting time and temporal relations
sidereal day; day
Hypernyms ("sidereal day" is a kind of...):
sidereal time (measured by the diurnal motion of stars)
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