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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 ›