Fuse definition

fyo͝oz
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.
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A mechanical or electrical mechanism used to detonate an explosive charge or device such as a bomb or grenade.
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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.

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.

noun
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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.
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A narrow tube filled with combustible material, or a wick saturated with such material, for setting off an explosive charge.
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(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.
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noun
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To connect a fuse to.
verb
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A safety device that protects an electric circuit from becoming overloaded. Fuses contain a length of thin wire (usually of a metal alloy) that melts and breaks the circuit if too much current flows through it. They were traditionally used to protect electronic equipment and prevent fires, but have largely been replaced by circuit breakers.
noun
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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.
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To blend two or more substances by melting.
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(1) A protective device that is designed to melt, or blow, when a specified amount of current is passed through it. PROM chips are created as a series of fuses that are selectively blown in order to create the binary patterns of the data or machine language.
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To equip with a mechanical or electrical fuse.
verb
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To liquefy or reduce to a plastic state by heating; melt.
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To melt, or to join by melting.
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Fuse is defined as to join together to form one, especially when joined by intense heat.

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

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To join (different pieces or elements) together physically, as by melting or heating.

Bits of glass fused in a kiln; atomic nuclei that are fused together inside the stars.

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To blend or combine together.
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To become liquefied from heat.
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To become physically joined together, as by melting.
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To be combined or blended together.
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To melt something, such as metal or glass, by heating.
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(also fuze in US) A cord that, when lit, conveys the fire to some explosive device.
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(manufacturing, mining, military) The mechanism that ignites the charge in an explosive device.
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A device to prevent the overloading of an electrical circuit.
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Indicating a tendency to lose one's temper.

When talking about being laid off, he has a short fuse.

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To melt together; to blend; to mix indistinguishably.
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(intransitive) To melt together.
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To furnish with or install a fuse.
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To unite as if by melting together; blend.
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To unite (atomic nuclei) in the process of nuclear fusion.
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blow a fuse
  • to have an electrical fuse melt
  • to become very angry
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Other Word Forms

Noun

Singular:
fuse
Plural:
fuses

Idioms and Phrasal Verbs

Origin of fuse

  • From Italian fuso spindle (originally from its shape) from Latin fūsus

    From American Heritage Dictionary of the English Language, 5th Edition

  • Latin fundere fūs- to melt gheu- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Italian fuso and French fusée, from Latin fusus (“spindle”).

    From Wiktionary

  • From fusion, "to melt" (back-formation).

    From Wiktionary