winter-solstice

winter solstice

noun Astronomy.
the solstice on or about December 21st that marks the beginning of winter in the Northern Hemisphere.

Origin:
1625–35

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
winter solstice
 
n
1.  the time at which the sun is at its southernmost point in the sky (northernmost point in the S hemisphere) appearing at noon at its lowest altitude above the horizon. It occurs about December 22 (June 21 in the S hemisphere)
2.  astronomy the point on the celestial sphere, opposite the summer solstice, at which the ecliptic is furthest south from the celestial equator. Right ascension: 18 hours; declination: --23.5°

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
winter solstice   (wĭn'tər)  Pronunciation Key 
See under solstice.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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