a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite • Syn: nickel, Ni • Derivationally related forms: nickel (for: nickel) • Hypernyms: metallic element, metal • Substance Holonyms: garnierite, millerite, pentlandite, smaltite