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diurnal
WIKTIONARY
diurnal
Adjective
  • ∙ Happening or occurring during daylight, or primarily active during that time.
  • ∙ Said of a flower open, or releasing its perfume during daylight hours, but not at night. botany
  • ∙ 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. uncommon
  • ∙ Published daily. archaic
Noun
  • ∙ A flower that opens only in the day.
  • ∙ A book containing canonical offices performed during the day, hence not matins. Catholicism
  • ∙ A diary or journal. archaic
  • ∙ A daily news publication. archaic