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sidereal day Definition

sidereal day

noun

the time between two successive passages of the vernal equinox across the meridian: it measures one rotation of the earth and equals 23 hours, 56 minutes, 4.1 seconds of mean solar time

Browse dictionary entries near sidereal day

  1. sidereal
  2. sider-
  3. sidepiece
  4. sideman
  5. sidelong
  6. sideling
  7. sideline
  8. sidelight
  9. sidekick
  10. sidehill
  1. sidereal month
  2. sidereal time
  3. sidereal year
  4. siderite
  5. sidero-
  6. siderolite
  7. siderosis
  8. sidesaddle
  9. sideshow
  10. sideslip