Constantan meaning

kŏn'stən-tăn'
An alloy of 45 percent nickel and 55 percent copper, used chiefly in electrical instruments because of its constant resistance under variations of temperature.
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An alloy of copper (c. 55%) and nickel (c. 45%), used in pyrometers and thermocouples.
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An alloy of copper and nickel whose resistivity is constant over a wide temperature range.
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Origin of constantan

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