Silicon (noun)

1. A chemical element with the symbol Si and atomic number 14, occurring in nature as silicon dioxide and other minerals, and used in making semiconductors and other electronic devices.
2. A compound of silicon and another element or group, especially a silicon compound used in industry.

Origin:

From the latin word "silex" which means "flint" or "hard stone". the term silicon was first used in 1817 by a chemist named thomas thomson, who named it after the latin word "silex" as silicon is a chemical element similar to flint and other hard stones.

Examples:

1. Silicon is the key component of semiconductors.
2. Silicon is used to make computer chips.
3. Silicon is widely used in the manufacturing of solar panels.
4. Silicon is used in the production of glass and ceramics.
5. Silicon is a vital component in the computer industry.