The term WORD AFTER HOT OR LIGHTNING is solved by the 3 letter word ROD. The word ROD is a noun that can refer to a long, thin, and cylindrical object made of metal, wood, or plastic. It is often used as a tool for fishing, measuring, or as a weapon. Rods are also used in electrical wiring, as they are good conductors of electricity. In addition, rods are used in construction to reinforce concrete structures.