Gallium (noun)

1. A rare silvery-white metallic element that is liquid near room temperature and has a low melting point. It is used in semiconductors and as a component in some alloys.
2. A chemical element with the symbol Ga and atomic number 31, a soft and silvery-white metal that is liquid at room temperature and has a low melting point, it is used in semiconductors and as a component in some alloys.

Origin:

Late 19th century: from french gallium, named after france, where it was discovered.

Examples:

1. Gallium is used to make semiconductors.
2. Gallium is used as a component in some alloys.
3. Gallium is a silvery-white metal that is liquid at room temperature.
4. Gallium is a chemical element with the symbol Ga and atomic number 31.
5. Gallium is a rare element that is not found in significant amounts in the earth's crust.