fuse

also fuze (fyo͞oz)

1. A cord of readily combustible material that is lighted at one end to carry a flame along its length to detonate an explosive at the other end.
2. often fuze A mechanical or electrical mechanism used to detonate an explosive charge or device such as a bomb or grenade: “A mechanical . . . switch is used to initiate the fuzes” (International Defense Review).

(fyo͞oz)

1. To liquefy or reduce to a plastic state by heating; melt.
2. To mix (constituent elements) together by or as if by melting; blend.

1. To become liquefied from heat.
2. To become mixed or united by or as if by melting together: “There was no separation between joy and sorrow: they fused into one” (Henry Miller). See Synonyms at mix.

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fuse²

electric plug fuse