Outrageously Funny Word Dictionary :: Defossion

👉 The term "defossion" is a scientific term in geology and is used to describe the process of the transformation of a volcano's summit into a caldera. A summit, also known as an active vent, is the point at which magma rises from the Earth's crust and erupts on top of the surrounding rock. As the magma cools and solidifies, it can form a cone-shaped structure called a caldera. The process of defossion involves the movement of water and

defossion