(inorganic chemistry) Ferrosilicon.

A layer of silicon atoms deposited onto a substrate of silicon germanium constrained to be wider apart than normal; this decreases resistance and increases performance when made into a chip.

An alloy of iron and silicon that has important magnetic properties.

(inorganic chemistry) An alloy of silicon and germanium used as a semiconductor.

The area of high-tech businesses around Austin, Texas.

The area of high-tech businesses in Israel.

(inorganic chemistry) The binary compound of silicon and chlorine SiCl₄.

(inorganic chemistry) silicon dioxide (SiO₂), silica. / (inorganic chemistry) silicon monoxide (SiO).

(inorganic chemistry) The binary compound, SiGe of silicon and germanium; sometimes considered to be a simple alloy silicon germanium.

(inorganic chemistry) The binary compound of silicon and fluorine SiF₄, a colourless, poisonous gas with a pungent odour, used in the production of silicon semiconductors.