👉 In the context of physics, "uppour" refers to a sudden, violent release or overflow. It is often used in connection with the movement of liquid from one container to another, such as when a tank is filled with water and it starts flowing out from the top of the tank. The term originated in the 19th century and was first used by French physicist Augustin-Louis Cauchy in his book "Théorie de la Lumières" (Theory of Light