Sublimation is a process in which a substance transitions directly from the solid phase to the gas phase without passing through the liquid phase. This process is commonly studied in the fields of chemistry and physics, as it is a unique phenomenon that can occur under certain conditions of temperature and pressure. Sublimation is characterized by the substance's molecules moving freely and not being bound by a specific arrangement, unlike in the solid phase. Researchers may study sublimation to understand the behavior of different substances under varying environmental conditions and to explore potential applications in areas such as material science, pharmaceuticals, and food processing.