hour

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hour

1. a period of time equal to 3600 seconds; 1/24th of a calendar day
2. Astronomy an angular measurement of right ascension equal to 15° or a 24th part of the celestial equator

hour

Symbol: h.
1. A unit of time equal to 60 minutes, i.e. 1/24 of a day.
2. A unit of angle equal to 15° of arc, i.e. 1/24 of a circle. See right ascension.

hour

[au̇r]
(mechanics)
A unit of time equal to 3600 seconds. Abbreviated h; hr.
References in periodicals archive ?
The SD of acceleration during the MT task was not influenced by time of day ([F.sub.1,105] =0.003, P > 0.05).
Despite a time of day difference in test TMS intensity, pre-MT APB MEP amplitudes were not significantly different between groups (AM = 0.65 [+ or -] 0.07 mV; PM = 0.67 [+ or -] 0.07 mV; paired t-test).
Effects of regular training at the same time of day on diurnal fluctuations in muscular performance.
Due to differences in sizes of experimental units across factors, we used a split-split plot ANOVA to assess effects of net, time of day, diver, and order of diver on estimates from surveys in experimental dives for Devils Hole pupfish (Littell et al., 2002).
Therefore, the reason for the variation in the findings of so many studies might very well be that whether a person exhibiting impulsive characteristics performs better at one time of day or another is an individual, but consistent, difference; in other words, it is a difference that is difficult to find when one divides a sample into arbitrary groups for testing.
But it depends on cloudiness, the time of day, and how much pigmentation is in your skin.
The loss of CXCL5 completely prevents the time of day regulation of lung inflammation which opens up new ways to treat lung diseases." During the research, the team uncovered how glucocorticoid hormones from the adrenal gland are vital in controlling the level of inflammation in the cells lining the airway.
According to study's lead author Natalie Dautovich, a psychologist at the University of Alabama in Tuscaloosa, for the majority of sleep outcomes, they found that completing activities at a regular time better predicted sleep outcomes than the actual time of day that activities were completed.
If you feel drowsy, note the time of day and temperature.
Irma De la Rosa, Alfredo Feria-Velasco and their colleagues at the Unidad de Investigacion Biomedica de Occidente in Guadalajara, Mexico, suspected another variable might affect MSG toxicity: time of day.
Washington, Nov 22 (ANI): A new study has found that severity of heart attack is dependent on the time of day the attack occurs.