The crossword solution for the term 'HOT' is 'STEAMING'. Steam is a form of energy created by boiling water, which is often used to power machines and engines. It is also used in cooking and cleaning, and is a popular method of heating buildings. Steam is created when water is heated to its boiling point, at which point it changes from a liquid to a gas. The resulting steam is HOT and can be used to transfer heat energy to other objects.