Dictionary

nickel

noun nick·el \ˈni-kəl\

: a hard silver-white metal

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

Full 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 — see element table
2
a (1) :  the United States 5-cent piece regularly containing 25 percent nickel and 75 percent copper (2) :  the Canadian 5-cent piece
b :  five cents
3
slang :  a packet containing five dollars worth of an illicit drug (as marijuana) —called also nickel bag
4
:  a pass defense in football that employs five defensive backs

Variants of NICKEL

nick·el also nick·le \ˈni-kəl\

Origin 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

noun nick·el \ˈnik-əl\   (Medical Dictionary)

Medical Definition of NICKEL

:  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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