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from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A mean solar day.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. one day of solar time, the time between successive noons; the time in which a planet such as Earth apparently rotates once around its axis, relative to the sun (on Earth about 24 hours as an average - the length of solar day is not constant throughout the year)

from the GNU version of the Collaborative International Dictionary of English

  • adj. See Day, 2.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. time for Earth to make a complete rotation on its axis


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