diurnal


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Related to diurnal: diurnal tide, diurnal enuresis

diurnal

 [di-er´nal]
pertaining to or occurring during the daytime, or period of light.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

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]
Farlex Partner Medical Dictionary © Farlex 2012

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.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

diurnal

adjective Daily, during the day.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

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]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

diurnal

Pertaining to a day. Occurring daily or in a day.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

di·ur·nal

(dī-ŭr'năl)
1. Pertaining to the daylight hours.
2. Repeating once each 24 hours.
[L. diurnus, of the day]
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
But children who were in families that had lower income and higher adversity tended to have both lower executive function and an atypical diurnal cortisol pattern.
At the retinal level, the "visual streak" assumes a more radial and symmetrical shape in owls, (Lisney et al., 2012) compared to the much more elongated streak of diurnal raptors.
A second-degree polynomial nonparametric local-regression model was used to fit a smooth curve to the C[H.sub.4] diurnal emission data.
The visual acuity and color perception of simians is comparable to those of diurnal reptiles and birds -- groups that never left the daytime niche.
Our main objective was to test the hypothesis that diurnal rainfall affects the number of active P.
Diurnal temperature range set at 10degC was optimal for biomass, plant height, stem diameter, length and weight of technical stem, and fiber weight of flax, while DIF set at 5degC benefited fiber content and seed weight.
AI requires life-long treatment and Diurnal's novel approach to product development has the potential to significantly improve these young patients' lives.
We compared diurnal type to nocturnal type to assess the relationship between 24-hour IOP variation and demographic and clinical characteristics.
Normal sleep and atypical sleep groups were plotted as the proportions of sleep (normal sleep + atypical sleep + wake + undefined = 100%) over the 24-hour period together with melatonin to visualize diurnal variation of sleep and melatonin.
Whether the diurnal rhythm of hs-cTnT extends beyond male patients with type 2 diabetes and whether hs-cTnT and hs-cTnI are equally affected is unknown.
The number of toll collectors [12/68 (17.7%) vs 1/28 (3.5%)] with diurnal PEF variability in the working period was higher than that of controls (p=0.058).