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British Dictionary definitions for mean solar day

mean solar day

noun

the time between two successive passages of the mean sun across the meridian at noon. It is equal to 24 hours 3 minutes and 56.555 seconds of mean sidereal time
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

Scientific definitions for mean solar day

mean solar day

See under solar time.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.