The definition of solar is relating to the sun, coming from the sun or depending upon the sun.(adjective)
An example of solar used as an adjective is in the phrase "solar energy," which means energy that comes from the sun.
See solar in Webster's New World College Dictionary
Origin: L solaris < sol, the sun: see Sol
See solar in American Heritage Dictionary 4
Origin: Middle English
Origin: , from Latin sōlāris
Origin: , from sōl, sun; see sāwel- in Indo-European roots.
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