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solar day
noun
- Astronomy. the time interval between two successive transits by the sun of the meridian directly opposite that of the observer; the 24-hour interval from one midnight to the following midnight.
- Law. the period of time from sunrise to sunset.
solar day
noun
- the period of time during which the earth makes one complete revolution on its axis relative to the sun See day
solar day
- See under solar time
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Word History and Origins
Origin of solar day1
First recorded in 1755–65
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Example Sentences
Yet the general solar day, from which the average one is derived, is a very indefinite term as to its length.
From Project Gutenberg
Then it must follow that as the daily sections of the orbit vary in length, the time of the solar day must vary in length.
From Project Gutenberg
All the magnetic elements at any ordinary station show a regular variation in the solar day.
From Project Gutenberg
The latter are divided into sidereal hours, minutes and seconds as the solar day is.
From Project Gutenberg
But it moved always as the sun moved, and just as regularly, giving a true measure of the solar day.
From Project Gutenberg
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