sidereal hour
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Related to sidereal hour: sidereal time
sidereal hour
n.
A 24th part of a sidereal day.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
sidereal hour
n
(Astronomy) a 24th part of a sidereal day
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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Noun | 1. | sidereal hour - 1/24 of a sidereal day sidereal time - measured by the diurnal motion of stars 60 minutes, hour, hr - a period of time equal to 1/24th of a day; "the job will take more than an hour" |
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