nickel

play
noun nick·el \ˈni-kəl\
variants: or less commonly

nickle

Definition of nickel

  1. 1 :  a silver-white hard malleable ductile metallic element capable of a high polish and resistant to corrosion that is used chiefly in alloys and as a catalyst — see element table

  2. 2a (1) :  the U.S. 5-cent piece regularly containing 25 percent nickel and 75 percent copper (2) :  the Canadian 5-cent pieceb :  five cents

  3. 3 slang :  a packet containing five dollars worth of an illicit drug (such as marijuana) —called also nickel bag

  4. 4 :  a pass defense in football that employs five defensive backs

Origin and Etymology of nickel

probably from Swedish nickel, from German Kupfernickel niccolite (mineral containing nickel arsenide) probably from Kupfer copper + Nickel goblin; from the deceptive copper color of niccolite


First Known Use: 1755


NICKEL Defined for English Language Learners

nickel

play
noun nick·el \ˈni-kəl\

Definition of nickel for English Language Learners

  • : a hard silver-white metal

  • : a U.S. or Canadian coin that is worth five cents


NICKEL Defined for Kids

nickel

play
noun nick·el \ˈni-kəl\

Definition of nickel for Students

  1. 1 :  a hard silvery white metallic chemical element that can be highly polished, resists weathering, and is used in alloys

  2. 2 :  a United States coin worth five cents


Medical Dictionary

nickel

play
noun nick·el \ˈnik-əl\

Medical Definition of nickel

  1. :  a silver-white hard malleable ductile metallic element capable of a high polish and resistant to corrosion that is used chiefly in alloys and as a catalyst—symbol Ni; see element table



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