Sidereal
WordNet

adjective


(1)   (of divisions of time) determined by daily motion of the stars
"Sidereal time"
(2)   Of or relating to the stars or constellations
"Sidereal bodies"
"The sidereal system"
WiktionaryText

Adjective


  1. Of or relating to the stars.
  2. Relating to a measurement of time relative to the position of the stars.
 
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