Definition of diurnal

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  • diurnal is a valid Scrabble US word with a point value of 8
  • diurnal is a valid Scrabble UK word with a point value of 8
  • diurnal is a valid Words with friends word with a point value of 11

Definition of diurnal

  • having a daily cycle or occurring every day (adjective)

    Examples

    1. diurnal rotation of the heavens
  • of or belonging to or active during the day (adjective)

    Examples

    1. diurnal animals are active during the day
    2. diurnal flowers are open during the day and closed at night
    3. diurnal and nocturnal offices

See definition of diurnal in Merriam Webster