Meaning of diurnal
Pronunciation: (dī-ûr'nl), [key]
- of or pertaining to a day or each day; daily.
- of or belonging to the daytime (opposed to nocturnal).
- showing a periodic alteration of condition with day and night, as certain flowers that open by day and close by night.
- active by day, as certain birds and insects (opposed to nocturnal).
- a service book containing offices for the daily hours of prayer.
- a diary.
- a newspaper, esp. a daily one.
- diurnal (Thesaurus)