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fuse

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The definition of a fuse is an electrical safety device that can stop current from flowing if it becomes overloaded, or a device that is used to ignite an explosive device.

(noun)

When you overload the circuit in your house by turning on too many different appliances at once and your power to the appliances you are using shuts off, the electrical device that tripped and caused the power to stop to the overloaded circuit is an example of a fuse.
The little string sticking out of a bomb that you light in order to get the bomb to go off is an example of a fuse.

Fuse is defined as to join together to form one, especially when joined by intense heat.

(verb)

When you weld two pieces of metal together using a torch, this is an example of when you fuse.

See fuse in Webster's New World College Dictionary

transitive verb, intransitive verb fused, fusing

to melt or to join by melting, as metals
to unite as if by melting together; blend

Origin: < L fusus, pp. of fundere, to pour out, shed: see found

noun

a narrow tube filled with combustible material, or a wick saturated with such material, for setting off an explosive charge
fuze ()
Elec. a safety device placed in a circuit consisting of a replaceable plug or tube containing wire or metal that will melt and break the circuit if the current exceeds a specified amperage

Origin: It fuso, a cord, tube, casing < L fusus, hollow spindle

transitive verb fused, fusing

to connect a fuse to

See fuse in American Heritage Dictionary 4

also fuze

noun

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.
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).

transitive verb fused fused also fuzed, fus·ing also fuz·ing, fus·es also fuz·es

To equip with a mechanical or electrical fuse: “The bomb . . . was fuzed and timed to explode after the aircraft had taken off” (Aviation Week & Space Technology).

Origin:

Origin: From Italian fuso, spindle (originally from its shape)

Origin: , from Latin fūsus

verb fused fused, fus·ing, fus·es

verb, transitive

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

verb, intransitive

To become liquefied from heat.
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.

noun

A safety device that protects an electric circuit from excessive current, consisting of or containing a metal element that melts when current exceeds a specific amperage, thereby opening the circuit.

Origin:

Origin: Latin fundere, fūs-, to melt; see gheu- in Indo-European roots

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