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nickel
[nik-uhl]
noun
Chemistry.a hard, silvery-white, ductile and malleable metallic element, allied to iron and cobalt, not readily oxidized: used chiefly in alloys, in electroplating, and as a catalyst in organic synthesis. Ni; 58.71; 28; 8.9 at 20°C.
a cupronickel coin of the U.S., the 20th part of a dollar, equal to five cents.
a nickel coin of Canada, the 20th part of a dollar, equal to five cents.
verb (used with object)
to cover or coat with nickel; nickel-plate.
adjective
Slang.costing or worth five dollars.
a nickel bag of heroin.
nickel
/ ˈɪə /
noun
a malleable ductile silvery-white metallic element that is strong and corrosion-resistant, occurring principally in pentlandite and niccolite: used in alloys, esp in toughening steel, in electroplating, and as a catalyst in organic synthesis. Symbol: Ni; atomic no: 28; atomic wt: 58.6934; valency: 0, 1, 2, or 3; relative density: 8.902; melting pt: 1455°C; boiling pt: 2914°C
a US and Canadian coin and monetary unit worth five cents
verb
(tr) to plate with nickel
nickel
A silvery, hard, ductile metallic element that occurs in ores along with iron or magnesium. It resists oxidation and corrosion and is used to make alloys such as stainless steel. It is also used as a coating for other metals. 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 Periodic Table
51Թ History and Origins
Origin of nickel1
51Թ History and Origins
Origin of nickel1
Idioms and Phrases
Example Sentences
But mining for nickel - an ingredient in electric vehicle batteries and in stainless steel - has ramped up there in recent years, according to the organisation Global Witness.
"And the rusting metal in there is starting to leach. The iron and nickel and copper is leaching out over the rocks and it looks unsightly."
One promising material is nitinol, an alloy of nickel and titanium.
“I just wish,” cracked Hill, who turns 75 in July, “I got a nickel every time an announcer or analyst mentions plus-minus.”
Deposits of copper, lead, zinc, silver, nickel, cobalt and manganese are also significant.
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When To Use
Nickel is a slang term for "five" of anything, especially a small bag of drugs costing five dollars or five-year prison sentence.
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