fallout 9
It is called fallout to the particles suspended from the atmosphere that fall to the ground, and also to the fact of the fall in large quantities, especially when they are pollutants such as industrial or radioactive waste. By extension, to an unexpected side effect or side effect. In colloquial form, to a replacement of someone expected and who does not show up. It is formed by the voices fall ( "fall" ) out ( "outside" ) .