n.
Pronunciation: ˌ in-( ˌ )s ō - ' l ā -sh ə n
Function: noun
Etymology: French or Latin; French, from Latin insolation-, insolatio, from insolare to expose to the sun, from in- + sol sun ― more at SOLAR
Date: 1617
1 : exposure to the sun's rays
2 : SUNSTROKE
3 a : solar radiation that has been received b : the rate of delivery of direct solar radiation per unit of horizontal surface broadly : that relating to total solar radiation