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  1. Dictionary
    fuse
    /fjuːz/

    verb

    noun

    • 1. a safety device consisting of a strip of wire that melts and breaks an electric circuit if the current exceeds a safe level.

    More definitions, origin and scrabble points

  2. 1. : a continuous train of a combustible substance enclosed in a cord or cable for setting off an explosive charge by transmitting fire to it. 2. or less commonly fuze : a mechanical or electrical detonating device for setting off the bursting charge of a projectile, bomb, or torpedo. fuse.

  3. a small safety part in an electrical device or piece of machinery that causes it to stop working if the electric current is too high, and so prevents fires or other dangers: blow a fuse My hairdryer's stopped working - I think the fuse has blown (= broken). change a fuse Have you tried changing the fuse?

  4. In electronics and electrical engineering, a fuse is an electrical safety device that operates to provide overcurrent protection of an electrical circuit. Its essential component is a metal wire or strip that melts when too much current flows through it, thereby stopping or interrupting the current.

  5. verb. to unite or become united by melting, esp by the action of heat. to fuse borax and copper sulphate at a high temperature. to become or cause to become liquid, esp by the action of heat; melt. to join or become combined; integrate. tr to equip (an electric circuit, plug, etc) with a fuse.

  6. If something fuses two different qualities, ideas, or things, or if they fuse, they join together, especially in order to form a pleasing or satisfactory combination. His music fused the rhythms of jazz with classical forms.

  7. A safety device that protects an electric circuit from becoming overloaded. Fuses contain a length of thin wire that melts and breaks the circuit if too much current flows through it. Fuses have largely been replaced by circuit breakers.

  8. FUSE definition: 1. a small object that stops electrical equipment working if there is too much electricity going…. Learn more.