Cloud White is a term used to describe a type of cloud formation that appears white in color. It is composed of ice crystals and water droplets that are suspended in the atmosphere. The term 'Cloud White' can also refer to a type of NEBULA, which is an interstellar cloud of dust, hydrogen, helium, and other gases. Finally, the term 'Cloud White' can also refer to a type of atmospheric test, which is a scientific experiment conducted in the atmosphere to measure various properties.