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°.
Dictionary entry overview: What does rainbow mean? â¢ RAINBOW (noun) The noun RAINBOW has 2 senses: 1. an arc of colored light in the sky caused by refraction of the sun's rays by rain 2. an illusory hope Familiarity information: RAINBOW used as a noun is rare.