from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The period of time between two successive transits of the mean sun, used as the standard in measuring the 24-hour day.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun the
average lengthof a solar day, used for practical timekeeping
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun time for Earth to make a complete rotation on its axis
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