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Related to constantan: Chromel, Manganin, Alumel


An alloy of 45 percent nickel and 55 percent copper, used chiefly in electrical instruments because of its constant resistance under variations of temperature.

[From constant.]


(Metallurgy) an alloy of copper (60 per cent) and nickel (40 per cent). It has a high resistivity that does not vary significantly with temperature and is used in resistors and, with copper, in thermocouples
[C20: formed from constant]


(ˈkɔn stənˌtæn)

an alloy containing approximately 55 percent copper and 45 percent nickel, used for electrical resistance heating and thermocouples.
[1900–05; constant + -an]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.constantan - an alloy of copper and nickel with high electrical resistance and a low temperature coefficientconstantan - an alloy of copper and nickel with high electrical resistance and a low temperature coefficient; used as resistance wire
copper-base alloy - any alloy whose principal component is copper
References in periodicals archive ?
While many types of resistive metal foils are available for the construction of flexible heaters, the most common types are cupronickel, constantan (very similar to cupro-nickel), Inconcl and aluminum.
The line-up for the concert, the only official Woodstock 40th anniversary event, includes: Jefferson Starship, Canned Heat, Big Brother and the Holding Company, Country Joe McDonald, Tom Constantan (Grateful Dead), Jock Marcellino, Sha Na Na, Mountain, Melanie and other special guests.
Constantan is well known as a simple alloy (55% Cu/45% Ni) commonly used in thermocouples with a moderate Seebeck coefficient at room temperature.