Definition of insolation noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˌɪnsəˈleɪʃn//
; NAmE NAmE//ˌɪnsəˈleɪʃn//
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the amount of light from the sun which reaches a particular area Word Origin early 17th cent.: from Latin insolatio(n-), from the verb insolare, from in- ‘towards’ + sol ‘sun’.
See the Oxford Advanced American Dictionary entry: insolation