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aluminium the British word for "aluminum," a strong, light, silver metal that does not easily rust.
aluminum a strong, light, silver metal that does not easily rust. Aluminum is a chemical element. (symbol: Al)
chromium a shiny, silver-gray metal that is one of the chemical elements. Chromium does not rust easily. It is used on surfaces, such as the metal trim on cars, because it stays shiny. It can be combined with other metals to form alloys. (symbol: Cr)
copper1 a reddish brown metal that is one of the chemical elements. Copper is used to make pipes, because it does not easily rust. It is also used to make wires, because it is an excellent conductor of electricity. It can be combined with other metals to make alloys such as brass and bronze. (symbol: Cu) [1/4 definitions]
corrosion a result of this process. Rust is an example of corrosion. [1/2 definitions]
degrade When a substance degrades, it breaks down. The things that make it up begin to change and eventually it falls apart. For example, metal will degrade if it is left outside in the rain for some time. The air and water cause the metal to rust and eventually break down completely. [1/2 definitions]
rust Rust is an orange or reddish-brown coating that forms on metal that has been in contact with both air and water. When metal gets rust on it, the metal gets weak. [2 definitions]
rusty covered with rust; not working well. [1/2 definitions]
tin a soft, light gray metal that is one of the chemical elements. Tin does not rust easily. It can be combined with other metals to form alloys such as bronze or pewter. (symbol: Sn) [1/2 definitions]
zinc a bluish white metal that is one of the chemical elements. Zinc does not rust easily. It can be combined with other metals to form alloys. Zinc is also used in making batteries. (symbol: Zn)