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Adjective: sidereal  sI'deer-ee-ul
  1. Of or relating to the stars or constellations
    "sidereal bodies"; "the sidereal system"
     
  2. (of divisions of time) determined by daily motion of the stars
    "sidereal time"

Antonym: civil

Encyclopedia: Sidereal

Nearest

side-glance
sidehill
sidekick
sidelight
sideline
sidelong
side-look
sideman
sidenote
sidepiece
sidereal
sidereal day
sidereal hour
sidereal month
sidereal time
sidereal year
siderite
Sideritis
sideroblast
sideroblastic anaemia
sideroblastic anemia