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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
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.