Cadmium (noun)

1. A chemical element with the symbol Cd and atomic number 48. It is a soft, bluish-white metal that is similar to zinc and is mainly used in batteries and pigments.
2. A compound or salt containing cadmium.

Origin:

From latin cadmia, from greek kadmeia, from kadmos, the legendary founder of thebes.

Examples:

1. Cadmium is often used in rechargeable batteries.
2. The paint used on the bridge contained cadmium, which is now known to be toxic.
3. The cadmium in the soil was causing health problems for the local residents.
4. Cadmium plating is used to protect steel from corrosion.
5. Cadmium sulfide is used as a pigment in paint and in semiconductor technology.