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solar day

noun
1.
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.
2.
Law. the period of time from sunrise to sunset.
Origin
1755-1765
1755-65
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for solar-day

solar day

noun
1.
the period of time during which the earth makes one complete revolution on its axis relative to the sun See day (sense 6)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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solar-day in Science
solar day  
See under solar time.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Word Value for solar

5
6
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