Definition of INSOLATION. 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.See insolation defined for kids. ADVERTISEMENT.efinition of INSOLATION. 1. : exposure to the sun's rays.
Hubs to Include on Your Gap Year. These are some of the best cities in the world - make sure you try and factor at least one of them into your travels! Tokyo; city of flashing neon lights, super-advanced gadgetry, Hello Kitty and about 13 million people, which makes it one of the most densely populated cities in the world.
30 Largest Cities in the World. 1  1. Tokyo, Japan - 37,800,000. 2  2. Dehli, India - 25,000,000. 3  3. Shanghai, China - 23,000,000. 4  4. Mexico City, Mexico - 20,800,000. 5  1. Tokyo, Japan - 37,200,000. 6  2. Delhi, India - 36,100,000. 7  3. Shanghai, China - 30,800,000. 8  4. Mumbai, India - 27,800,000.