the shining of the sun; direct light of the sun.
brightness or radiance; cheerfulness or happiness.
a source of cheer or happiness.
the effect of the sun in lighting and heating a place.
a place where the direct rays of the sun fall.
of or pertaining to sunshine laws: sunshine rules.
fair-weather ( def 2 ).

1200–50; Middle English sunnesin; see sun, shine

sunshineless, adjective
sunshiny, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
sunshine (ˈsʌnˌʃaɪn)
1.  the light received directly from the sun
2.  the warmth from the sun
3.  a sunny area
4.  a light-hearted or ironic term of address

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

mid-13c., from sun (n.) + shine. Sunshine law in reference to U.S. open meeting legislation is recorded from 1972, from the notion of shining the light of public access on deliberations formerly held behind closed doors.
Online Etymology Dictionary, © 2010 Douglas Harper
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Encyclopedia Britannica


solar radiation that is visible at the Earth's surface. The amount of sunlight is dependent on the extent of the daytime cloud cover. Some places on the Earth receive more than 4,000 hours per year of sunlight (more than 90 percent of the maximum possible), as in the Sahara; others receive less than 2,000 hours, as in regions of frequent storminess, such as Scotland and Iceland. Over much of the middle-latitude region of the world, the amount of sunlight varies regularly as the day progresses, owing to greater cloud cover in the early morning and during the late afternoon.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
Weak rays of sunshine filter through the skylight, illuminating student
  drawings and paintings on the walls.
In the kitchen, new oversized windows and skylights invite in the sunshine.
Now, new oversize windows and skylights invite in the sunshine.
The body has been on the road decomposing under rain and sunshine.
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