Electronic devices such as televisions and computers almost always have fuses to prevent fires or explosions caused by electricity. Real-life examples: Your house may have a fuse box that you can open to replace damaged fuses.The phrase blow a fuse comes from this sense of fuse. This stops the current from moving and protects the more expensive or dangerous equipment from melting or catching on fire.įuses are an extremely common safety device (alongside circuit breakers) and are usually kept in a fuse box located in a remote part of a house or building. Once the fuse melts, the electrical circuit is broken. A fuse usually resembles a small rod or wire that is designed to melt from the heat of an electrical current that is moving too fast. Used in a sentence: The two kingdoms fused together to create a powerful nation.Īs a noun, fuse refers to a safety device designed to protect electrical equipment from melting or catching on fire.A mad scientist might fuse animals together to make monsters. Science fiction often fuses real science with fictional ideas. Real-life examples: Copper scraps can be fused together to make wires.Something that has been made by fusing things together is called a fusion. For example, a band might fuse metal and electronic music to make a unique sound. In everyday use, fuse is used figuratively to mean to combine or unite anything as if they were melted together. Fuse also refers to a protective device in an electrical current and to a tube or cord used to light explosives.įuse is used in metalworking and similar industries to refer to combining metals by melting them down into liquids.
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