constantan: Meaning and Definition of

con•stant•an

Pronunciation: (kôn'stun-tan"), [key]
— n.
  1. an alloy containing approximately 55 percent copper and approximately 45 percent nickel, used for electrical resistance heating and thermocouples.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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