/silɪˈsiʊm/ (sil-ih-SYOOM)

Definitions

1. noun

A chemical element with the symbol Si and atomic number 14, often used to make glass, ceramics, and computer chips.

“The discovery of silicium helped to create more efficient solar panels.”

2. noun

A type of rock or mineral that is rich in silicium, often found in sand or quartz.

“The silicium deposits in the nearby mine are being extracted for use in construction materials.”