Diurnal
WordNet
adjective
(1) Having a daily cycle or occurring every day
"Diurnal rhythms"
"Diurnal rotation of the heavens"
"The diurnal slumber of bats"
(2) 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"
WiktionaryText
Etymology
From , from .
Adjective
- Happening or occurring during daylight, or primarily active during that time.
- Most birds are diurnal.
- Said of a flower 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.
- Done once every day; daily, quotidian.
- Published daily.