noun. a solid substance in the form of tiny loose particles. any of various preparations in this form, such as gunpowder, face powder, or soap powder. 3. fresh loose snow, esp when considered as skiing terrain.
Dust on Crust: When there is a light covering of loose snow on top of the snow that has a hard, icy outer layer. This type of snow can cause a lot of falls. Flake: Flake is slang for snow, for example, "I shredded some flake."