Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A silvery, hard, ductile, ferromagnetic metallic element used in alloys, in corrosion-resistant surfaces and batteries, and for electroplating. Atomic number 28; atomic weight 58.69; melting point 1,453°C; boiling point 2,732°C; specific gravity 8.902; valence 0, 1, 2, 3. See Table at element.
  • n. A U.S. coin worth five cents, made of a nickel and copper alloy.
  • n. Slang A nickel bag.
  • transitive v. To coat with nickel.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A silvery elemental metal with an atomic number of 28 and symbol Ni.
  • n. A coin worth 5 cents.
  • n. Five dollars.
  • n. Five hundred dollars.
  • n. Interstate 5, a highway that runs along the west coast of the United States.
  • n. A playing card with the rank of five
  • n. A five-year prison sentence.
  • v. To plate with nickel.

from the GNU version of the Collaborative International Dictionary of English

  • n. A bright silver-white metallic element of atomic number 28. It is of the iron group, and is hard, malleable, and ductile. It occurs combined with sulphur in millerite, with arsenic in the mineral niccolite, and with arsenic and sulphur in nickel glance. Symbol Ni. Atomic weight 58.70.
  • n. A small coin made of or containing nickel; esp., a five-cent piece.

from The Century Dictionary and Cyclopedia

  • n. Chemical symbol, Ni; atomic weight, 58. A metal closely related to cobalt, with which it almost always occurs.
  • n. In the United States, a current coin representing the value of five cents, made of an alloy of one part of nickel to three of copper.
  • Consisting of or covered with nickel.
  • To plate or coat, as metal surfaces, with nickel, either by electrolytic processes or by chemical operations.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. five dollars worth of a drug
  • v. plate with nickel
  • n. a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite
  • n. a United States coin worth one twentieth of a dollar

Etymologies

Swedish, short for kopparnickel, niccolite, partial translation of German Kupfernickel : Kupfer, copper + Nickel, demon, rascal, from the deceptive copper color of the ore (from the name Nikolaus, Nicholas).
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Swedish nickel, an abbreviation of German kupfernickel ("a mineral containing copper and nickel"), from koppar ("copper") + Nikolaus ("the devil") due to the deceptive silver colour of the relatively valueless ore. Compare cobalt as related to kobolds. (Wiktionary)

Examples

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