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Word of the Day
Monday, May 04, 2015

Definitions for diurnal

  1. of or belonging to the daytime (opposed to nocturnal).
  2. of or pertaining to a day or each day; daily.
  3. Botany. showing a periodic alteration of condition with day and night, as certain flowers that open by day and close by night.

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Citations for diurnal
The dream--that is, the state of being freed of the pressure of diurnal consciousness--is, it is true, the prerequisite for the metamorphosis. Wilhelm Emrich, "The Animal as Liberating 'Self,'" The Metamorphosis, 1972
Dickens was quite as interested in the nomads that occupied the nocturnal city--the streetwalkers and the nightwalkers--as in those who occupied the diurnal one. Jonathon Sturgeon, "Charles Dickens Nightwalks Through Paris and London," Flavorwire, April 10, 2015
Origin of diurnal
late Middle English
1400-1450
Diurnal derives from the Latin term for "day," diēs. It entered English in the mid-1400s, when it was used chiefly to describe the movements of celestial objects.