[nik-uh l-kad-mee-uh m] /ˈnɪk əlˈkæd mi əm/
a storage battery, with an alkaline electrolyte, having nickel oxide as the positive element and cadmium as the negative.
noun, Chemistry. 1. a colorless or yellow, volatile, water-insoluble, poisonous, flammable liquid, Ni(CO) 4 , obtained by the reaction of nickel and carbon monoxide, and used for nickel-plating.
noun 1. a town in S Ontario, in S Canada.
- Nickel defense
noun phrase A defensive formation in which a fifth defensive back is added to cover an almost certain pass receiver (1980s+ Football)
adjective nickel-and-dime; trivial, insignificant Usage Note slang