noun
- a chemical element that is a hard, brittle crystalline solid used especially in computer chips and glass
Examples
- Silicon is the second most abundant element in Earth’s crust.
- Computer processors are made from silicon wafers.
- The Silicon Valley region got its name from the semiconductor industry.
- Pure silicon is used to manufacture solar panels.
- Silicon dioxide is the main component of sand.
- The company developed a new silicon chip for smartphones.