Nickle (noun)
1. A small, silver-colored coin, worth five cents, that is used as a unit of currency in several countries, including the United States and Canada. The nickel is typically composed of a mixture of nickel and copper, giving it a slight yellowish hue.
2. (Chemistry) A chemical element with the symbol Ni and atomic number 28. It is a lustrous, silvery-white metal that belongs to the transition metals group. Nickel is known for its high resistance to corrosion, durability, and good mechanical strength, making it widely used in various industries, including manufacturing, construction, and electronics.
3. (Colloquial) A colloquial term for five cents or a sum of money equal to five cents, particularly in North America.
4. (Colloquial) A slang term for a United States five-dollar bill, derived from the portrait of President Thomas Jefferson that appears on the note.
5. (Geology) A geological term used to describe a type of hard, greenish-black rock or mineral composed mainly of nickel and various other elements. Nickle can be found in certain ore deposits, and its extraction and processing is a significant part of the mining industry.
