Definition of DIURNAL

diurnal

Meanings

Plural: diurnals

Adjective

  • of or belonging to or active during the day
    • "diurnal animals are active during the day"
    • "diurnal flowers are open during the day and closed at night"
    • "diurnal and nocturnal offices"

Adjective Satellite

  • having a daily cycle or occurring every day
    • "diurnal rotation of the heavens"

Adj

  • Happening or occurring during daylight, or primarily active during that time.
  • Said of a flower that is open, or releasing its perfume during daylight hours, but not at night.
  • Having a daily cycle that is completed every 24 hours, usually referring to tasks, processes, tides, or sunrise to sunset; circadian.
  • Done once every day; daily, quotidian.
  • Published daily.

Noun

  • A flower that opens only in the day.
  • A book containing canonical offices performed during the day, hence not matins.
  • A diary or journal.
  • A daily news publication.

Origin / Etymology

From Latin diurnālis, from diēs (“day”). Doublet of journal.

Scrabble Score: 8

diurnal is a valid Scrabble (US) TWL word
diurnal is a valid Scrabble Word in Merriam-Webster MW Dictionary
diurnal is a valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 11

diurnal is a valid Words With Friends word