Diurnality is a form of plant and animal behavior characterized by activity during daytime, with a period of sleeping or other inactivity at night. The...

Look up diurnal in Wiktionary, the free dictionary. Diurnal ("daily") may refer to: Diurnal cycle, any pattern that recurs daily Diurnality, the behavior...

A diurnal cycle (or diel cycle) is any pattern that recurs every 24 hours as a result of one full rotation of the planet Earth around its axis. Earth's...

article on "diurnal arc", but its sister project Wiktionary does: Read the Wiktionary entry "diurnal arc" You can also: Search for Diurnal arc in Wikipedia...

Diurnal motion (from Latin diurnus 'daily', from Latin diēs 'day') is an astronomical term referring to the apparent motion of celestial objects (e.g...

In meteorology, diurnal temperature variation is the variation between a high air temperature and a low temperature that occurs during the same day. Temperature...

societies. Humans are normally diurnal creatures that are active in the daytime.[citation needed] As with most other diurnal animals, human activity-rest...

Accipitres) were divided into diurnal and nocturnal tribes; the owls remained monogeneric (family Ægolii, genus Strix), whilst the diurnal raptors were divided...

Diurnal enuresis is daytime wetting (functional daytime urinary incontinence). Nocturnal enuresis is nighttime wetting. Enuresis is defined as the involuntary...

Diurnal mood variation or morning depression is a prominent depression symptom characterized by gradual mood improvement through the day, reaching its...

"day". Processes with 24-hour cycles are more generally called diurnal rhythms; diurnal rhythms should not be called circadian rhythms unless they can...

and latitude of the location on Earth from where the Moon is observed. Diurnal libration is the small daily libration, an oscillation due to Earth's rotation...

and sleeping during the day. The common adjective is "nocturnal", versus diurnal meaning the opposite. Nocturnal creatures generally have highly developed...

Many shorelines experience semi-diurnal tides—two nearly equal high and low tides each day. Other locations have a diurnal tide—one high and low tide each...

progresses (i.e., diurnal fluctuation). Accordingly, this disorder has sometimes been referred to as "progressive hereditary dystonia with diurnal fluctuations"(Segawa...

Ultraviolet (UV) light is electromagnetic radiation of wavelengths of 10–400 nanometers, shorter than that of visible light, but longer than X-rays. UV...

Xenoxybelis argenteus, the striped sharpnose snake or diurnal vine snake, is a species of snake in the family, Colubridae. It is found in Colombia, Venezuela...

000 light-years away, a ten-fold improvement over earlier measurements. Diurnal parallax is a parallax that varies with the rotation of the Earth or with...

species of moth are nocturnal, although there are also crepuscular and diurnal species. While the butterflies form a monophyletic group, the moths, comprising...

In telecommunications, diurnal phase shift is the phase shift of electromagnetic signals associated with daily changes in the ionosphere. The major changes...

effects: Diurnal aberration – a deflection caused by the velocity of the observer's motion around the Earth's centre, due to its rotation. Diurnal parallax...

phenomenon are the diurnal variations of the background Schumann resonance power spectrum. A characteristic Schumann resonance diurnal record reflects the...

). Order of Saint Luke. p. 81. ISBN 978-1478391029. The Diurnal Offices: These brief diurnal or daytime offices punctuate the day with prayer. They are...

are dominated by atmospheric tides, which are driven predominantly by diurnal heating. Atmospheric waves dissipate above this level because of collisions...

longer. The largest body tide constituents are semi-diurnal, but there are also significant diurnal, semi-annual, and fortnightly contributions. Though...

Diel vertical migration (DVM), also known as diurnal vertical migration, is a pattern of movement used by some organisms, such as copepods, living in...

talons, and feathers adapted for silent flight. Exceptions include the diurnal northern hawk-owl and the gregarious burrowing owl. Owls are divided into...

adrenal gland. In other tissues, it is produced in lower quantities. By a diurnal cycle, cortisol is released and increases in response to stress and a low...

matutinal, vespertine/vespertinal, or both. This is distinguished from diurnal and nocturnal behavior, where an animal is active during the hours of daytime...

Mar e da Atmosfera. In some areas, such as the Guadiana basin, annual diurnal average temperatures can be as high as 24.5 °C (76.1 °F), and summer's...