Conductor meaning

kən-dŭk'tər
A substance or medium that conducts heat, light, sound, or especially an electric charge.
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A lightning rod, as on a house or barn.
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The definition of a conductor is a person who leads an orchestra, who is in charge of a train or streetcar or something that allows electricity to travel through it to complete a circuit.

An example of a conductor is a maestro who leads the Boston Orchestra.

An example of a conductor is someone who collects tickets on a San Francisco cable car.

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One who conducts, especially:
  • One who is in charge of a railroad train, bus, or streetcar.
  • One who directs an orchestra or other such group.
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The director of an orchestra, choir, etc.
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In fiber optics transmission systems, various highly specialized types of glass or plastic are used to conduct photonic energy. As dielectrics, glass and plastic are not conductors of electric current; therefore, optical fibers are immune to electromagnetic interference (EMI). See also EMI.
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The person who has charge of the passengers and collects fares on a train, streetcar, or bus.
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In electric circuits, such as twisted pair and coaxial cable systems, a conductor is a material that readily permits the flow of electrons through itself in response to an electric field. Metals are excellent electrical conductors because of the high concentration of free electrons.Telecommunications networks most commonly use copper in electrified circuits, although copper-covered steel, copper alloy, nickel- or goldplated copper, and even aluminum metallic conductor are used. Gold, silver, and platinum are sometimes used in short circuits internal to various devices such as switches. CATV networks make use of aluminum and copper-clad aluminum in coaxial cable trunks. See also dielectric and insulator.
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One who conducts or leads; a guide; a director.
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(music) A person who conducts an orchestra, choir or other music ensemble; a professional whose occupation is conducting.
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A person who takes tickets on public transportation.

Train conductor; tram conductor.

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Something that can transmit electricity, heat, light or sound.
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(mathematics) An ideal of a ring that measures how far it is from being integrally closed.
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A grooved sound or staff used for directing instruments, such as lithontriptic forceps; a director.
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(architecture) A leader.
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A substance or thing that conducts electricity, heat, sound, etc.
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A material or an object that conducts heat, electricity, light, or sound. Electrical conductors contain electric charges (usually electrons) that are relatively free to move through the material; a voltage applied across the conductor therefore creates an electric current. Insulators (electrical nonconductors) contain no charges that move when subject to a voltage.
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A material that can carry electrical current. Contrast with insulator.
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A substance that allows electricity, light, heat, sound, or other forms of energy to pass through. In the context of telecommunications transmission systems, a conductor allows electric current or photonic energy to pass through.
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A person who conducts; leader; guide; manager.
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Origin of conductor

  • From Middle French conductour, from Old French conduitor, from Latin conductor.
    From Wiktionary