(computing, sciences) In computer simulation or in virtual reality.

(chemistry) silicon, silicone

Having undergone the silicoating process.

(dentistry) A technique for resin-metal bonding in dental prosthetics, involving silicon.

(chemistry) A hard glassy mineral, SiO₂, occurring as quartz, sand, opal etc. Informally known as silica.

(chemistry, uncountable) A nonmetallic element (symbol Si) with an atomic number of 14 and atomic weight of 28.0855. / (chemistry, countable) A single atom of this element.

(slang) computing / (slang) computer processor / Abbreviation of silicon chip.

(chemistry) Any of a class of inert, semi-inorganic polymeric compounds (polysiloxanes), that have a wide range of thermal stability and extreme water repellence, used in a very wide range of industrial applications, and in prosthetic replacements for body parts.

(transitive) To join or treat (something) with a silicone-based product. / (informal, transitive) To enhance or reconstruct (a body part) with a prosthesis containing silicone.

A variety of synthetic polymeric silicones having physical properties similar to natural rubber but increased chemical stability