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Definition of Mean solar day
1. Noun. Time for Earth to make a complete rotation on its axis. "There are 30,000 passengers per day"
Generic synonyms: Time Unit, Unit Of Time
Specialized synonyms: Tomorrow, Today, Yesterday, Morrow, Eve, Date, Day Of The Month, Date
Terms within: Day, Daylight, Daytime, High Noon, Midday, Noon, Noonday, Noontide, Twelve Noon, Dark, Night, Nighttime, 60 Minutes, Hour, Hr
Derivative terms: Daily
Definition of Mean solar day
1. Noun. the average length of a solar day, used for practical timekeeping ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of Mean Solar Day
Literary usage of Mean solar day
Below you will find example usage of this term as found in modern and/or classical literature:
1. Science by American Association for the Advancement of Science (1884)
"A mean solar day, according to Mr. Stone's theory, is something totally ...
Practically, Mr. Stone's mean solar day is the time during which the mean ..."
2. The Encyclopaedia Britannica: A Dictionary of Arts, Sciences, and General by Thomas Spencer Baynes (1888)
"... by which the sun's annual apparent motion is explained, that we need inquire
into the exact relation between the mean solar day and the sidereal day. ..."
3. Navigation and Nautical Astronomy: The Practical Part, Containing Rules for by H. W. Jeans (1853)
"sidereal year = 365a 6h 9m lls-5 t The sidereal day, the apparent solar day, and
the mean solar day. 18. The sidereal day is the interval between two ..."
4. A Treatise on Astronomy by Elias Loomis (1870)
"The length of the mean solar day is greater than that of the sidereal, because
when the mean sun, in its diurnal motion, returns to a given meridian, ..."
5. The Standard Dictionary of Facts: History, Language, Literature, Biography edited by Henry Woldmar Ruoff (1909)
"Practically it is ,BJn!, of the mean solar day, but really it is a perfectly
arbitrary unit, as the length of the mean solar day is not constant for any two ..."
6. The New American Cyclopaedia: A Popular Dictionary of General Knowledge by George Ripley (1859)
"... the perigee (bo- tween Christmas and new year's) at the same instant with the
real sun. A day usually signifies a mean solar day. A sidereal day is 23h. ..."
7. Astronomy by Simon Newcomb, Edward Singleton Holden (1883)
"Hence a mean solar day will also bo longer than a sidereal day, for the same reason
... The exact relation is: and 1 sidereal day = 0-997 mean solar day, ..."