Definitions for "Diffuse Radiation"
Keywords:  scattered, dust, sky, sunlight, fog
combined quantity of diffuse sky and (ground-)reflected solar radiation received on a plane surface [W/m2],   diffuse Strahlung
solar radiation which can not be focused easily because it passes through cloudy skies.
Solar radiation which arrives at the point of observation after scattering due to clouds, fog, haze, dust or other particles in the atmosphere.