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.
22 November 2009: New York City, London, Paris and Tokyo are deemed to be the most powerful cities in the world.