(physics, astronomy) a radiation detector used in astrophysics, nuclear physics, imaging and X-ray spectroscopy

(medicine) A disease of the lungs caused by the inhalation of crystalline silica dust.

A technology-rich area of South Wales.

(chemistry) Any compound of general formula Si(OR)₄, the tetraalkyl orthosilicates; they react with water to for aerogels of silica.

(trademark) a form of thyristor

a very pure form of crystalline silicon, made by vertical zone melting

(chemistry) Any compound of silicon containing multiple alkoxide groups.

An area in Manhattan, New York, which is home to a group of Internet-related companies.

based on silicon; especially used of a proposed alternative biochemistry or lifeforms

A wafer of silicon on which an integrated circuit has been built; a microchip