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definitions

lunar day

noun

a division of time that is equal to the elapsed time between two consecutive returns of the same terrestrial meridian to the moon.

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Nearby words

  1. luna moth,
  2. lunacy,
  3. lunar,
  4. lunar caustic,
  5. lunar cycle,
  6. lunar distance,
  7. lunar eclipse,
  8. lunar excursion module,
  9. lunar module,
  10. lunar month

Origin of lunar day

First recorded in 1680–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019