nickel

noun

A 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.

noun

A coin of the United States or Canada worth five cents.

transitive verb

To coat with nickel.

To plate or coat, as metal surfaces, with nickel, either by electrolytic processes or by chemical operations.

noun

Chemical symbol, Ni; atomic weight, 58. A metal closely related to cobalt, with which it almost always occurs.

noun

In 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.

noun

A 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.

noun

A small coin made of or containing nickel; esp., a five-cent piece.

noun

an alloy of nickel, copper, and zinc; — usually called german silver; called also argentan.