nickel
Noun
1. a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite
(synonym) Ni, atomic number 28
(hypernym) metallic element, metal
(substance-holonym) garnierite
2. a United States coin worth one twentieth of a dollar
(hypernym) coin
3. five dollars worth of a drug; "a nickel bag of drugs"; "a nickel deck of heroin"
(synonym) nickel note
(hypernym) fiver, five-spot, five dollar bill
Verb
1. plate with nickel; "nickel the plate"
(hypernym) plate
(derivation) Ni, atomic number 28