Crystal (disambiguation)
From Biocrawler, the free encyclopedia.
Physical science
- In chemistry and mineralogy, a crystal is a form of matter wherein its molecules are regularly aggregated in a definite internal crystal structure, with the external form of a solid of symmetrically arranged plane faces.
- In physical chemistry, liquid crystal is a turbid liquid with some internal structure like an ordinary crystal, that exhibits double refraction.
Technology
- In electronics, a crystal is a crystalline piece of a semiconductor used in a device, such as a crystal radio receiver, for its properties of electrical conduction.
- In electronics, a crystal oscillator is a device, often used in timekeeping and radio transmission, that produces an alternating electric current stabilized by the mechanical resonance of a piezoelectric crystal, usually quartz.
- Crystal glass is a form of glass with a high degree of transparency that usually consists of a high proportion of lead oxide.
- A codename for the KH-11 spy satellite.
Art
- A crystal is a piece of rock-crystal or the like used especially in magic art, such as crystal gazing.
Proper name
- Billy Crystal is an American comedian and actor.
- David Crystal is a British linguist and author.
Places
Popular culture
- The Crystals was a highly successful American "girl group" of the 1960s, best known for songs like He's a Rebel and Uptown.
- In the fictional Marvel Comics universe, Crystal is a superhero who can manipulate the elements.
Computer software
- Crystal Reports is a commercial computer software product for creating reports about databases.
- Crystal is the name for a theme in KDE.
See also
pt:Cristal (desambiguação)
