diurnal

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diurnal

 [di-er´nal]
pertaining to or occurring during the daytime, or period of light.

di·ur·nal

(dī-ŭr'năl),
1. Pertaining to the daylight hours; opposite of nocturnal.
2. Repeating once each 24 hours, for example, a diurnal variation or a diurnal rhythm. Compare: circadian.
[L. diurnus, of the day]

diurnal

(dī-ûr′nəl)
adj.
1. Relating to or occurring in a 24-hour period; daily.
2. Occurring or active during the daytime rather than at night: diurnal animals.
3. Botany Opening during daylight hours and closing at night.
n.
1. A book containing all the offices for the daily canonical hours of prayer except matins.
2. Archaic
a. A diary or journal.
b. A daily newspaper.

di·ur′nal·ly adv.

diurnal

adjective Daily, during the day.

di·ur·nal

(dī-ŭr'năl)
1. Pertaining to the daylight hours; opposite of nocturnal.
2. Repeating once each 24 hours (e.g., a diurnal variation or a diurnal rhythm).
Compare: circadian
[L. diurnus, of the day]

diurnal

Pertaining to a day. Occurring daily or in a day.

di·ur·nal

(dī-ŭr'năl)
1. Pertaining to the daylight hours.
2. Repeating once each 24 hours.
[L. diurnus, of the day]
References in periodicals archive ?
The significantly lower concentrations of nitrite in the nocturnally and diurnally aerated tanks, when compared to the nocturnally aerated ones (Table 1), were not capable to improve fish growth performance in the former tanks.
If the deposition of striae is controlled diurnally through changes in illumination, changes in seawater temperature, or food supply, then there should be a clear relationship between the duration of the experiment, the number of striae deposited, and the interstria distance.
Specifically, relevant spatial variations occur across mid-latitude, equatorial and polar regions whereas temporal variations occur diurnally, seasonally and over the 11-year solar cycle.
The optical path length varies diurnally and attains its daily minimum at solar noon and increases towards sunrise and sunset.
Our results of diurnally varying proANP plasma concentrations but nondiurnal NTproBNP plasma concentrations in healthy individuals seem to conflict with previous findings regarding the production of mRNA in mouse hearts (2).That study noted a circadian production of BNP mRNA in the cardiac ventricles but little response for the ANP mRNA content in the atria.
In diurnally active persons, CRH is released into the hypophyseal portal vein in the form of pulsatile bursts but in a circadian fashion, resulting in ACTH being secreted in an identical temporal pattern, with the amplitude and frequency of ACTH pulses being highest during the late night and morning hours (Fig.
What my Chinese poet may have done diurnally, where he got his food, how he passed his time, I don't know--but I could guess.
variegatus as more active diurnally then nocturnally, similar to other species of Bradypus (Chiarello 1998).
However, for a water-storage tank, the return temperature may fluctuate a lot diurnally or seasonally.
For example, it is not clear whether it's more beneficial to run the supplemental cooling device when it can be used to directly cool the loop, or in the evening or off-season when it can be used to 'pre' cool the ground (either seasonally or diurnally; studied by Xu, 2007).
A comparative study of germinating responses to diurnally fluctuating temperatures.
Heat tolerance and resistance in juvenile rainbow trout acclimated to diurnally cycling temperatures.