fuse

Meanings

1. 1
   verb

   To join or blend two or more things into one.

   The band fuses jazz and rock into a fresh new sound.

2. 2
   verb

   To join two things by melting them together with heat.

   The metal pieces were fused together at high temperature.

3. 3
   noun

   A safety device that breaks an electrical circuit if the current gets too high.

   A fuse blew, so all the lights went out.

4. 4
   noun

   A cord that is lit to set off an explosive device.

   He lit the fuse and ran for cover.

Back-formation from fusion (“to melt”), first to verbal sense, then noun.

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