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SIDEREAL DAY

 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 


SIDEREAL DAY (noun)


Sense 1sidereal day [BACK TO TOP]

Meaning:

The time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day

Classified under:

Nouns denoting time and temporal relations

Synonyms:

sidereal day; day

Hypernyms ("sidereal day" is a kind of...):

time unit; unit of time (a unit for measuring time periods)

sidereal time (measured by the diurnal motion of stars)


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