Molten Discharge is a term used to describe the eruption of LAVA from a volcano. It is also known as LAVA, which is a four-letter word that is one of the solutions to this crossword puzzle. Molten Discharge is a type of magma that is formed deep within the Earth's crust and is composed of molten rock, minerals, and gases. When it reaches the surface, it is released in a violent eruption, often accompanied by ash and smoke.