nickel
nounA silvery, hard, ductile, ferromagnetic metallic element used in corrosion-resistant alloys, stainless steel, catalysts for hydrogenation, and batteries, and for electroplating. Atomic number 28; atomic weight 58.69; melting point 1,455°C; boiling point 2,913°C; specific gravity 8.902; valence 0, 1, 2, 3. cross-reference: Periodic Table.
nounA coin of the United States or Canada worth five cents.
transitive verbTo coat with nickel.
To plate or coat, as metal surfaces, with nickel, either by electrolytic processes or by chemical operations.
nounChemical symbol, Ni; atomic weight, 58. A metal closely related to cobalt, with which it almost always occurs.
nounIn the United States, a current coin representing the value of five cents, made of an alloy of one part of nickel to three of copper.
Consisting of or covered with nickel.
nounA bright silver-white metallic element of atomic number 28. It is of the iron group, and is hard, malleable, and ductile. It occurs combined with sulphur in millerite, with arsenic in the mineral niccolite, and with arsenic and sulphur in nickel glance. Symbol Ni. Atomic weight 58.70.
nounA small coin made of or containing nickel; esp., a five-cent piece.
nounan alloy of nickel, copper, and zinc; — usually called
