Meaning; FOG: Free Online Games (website) FOG: Friend of God: FoG: Fields of Glory (gaming)
Best Answer: The double rainbow is nothing more than light being refracted twice instead of once in a rain drop. They always do that but the second refracted ray is often so dim that we can't see it. just now. Report Abuse. Well, a double rainbow consists of a primary rainbow and a secondary one. Secondary rainbows are caused by a double reflection of sunlight inside the raindrops, and appear at an angle of 50Â°â53Â°.
Definition of rainbow. 1  1 : an arc or circle that exhibits in concentric bands the colors of the spectrum and that is formed opposite the sun by the refraction and reflection of the sun's rays in raindrops, spray, or mist. 2  2a : a multicolored arrayb : a wide assortment or range a rainbow of flavors.