Crystal (disambiguation)

From Free net encyclopedia

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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.
• Lead crystal, or crystal-glass, is a form of glass with a high degree of transparency that usually consists of a high proportion of lead oxide.

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.
• Crystal Gayle is an American country and western singer.
• Crystal Kay is a J-pop singer.

Popular culture

• The Crystals was a popular 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 (software synthesizer) is a freeware software synthesizer.
• CRYSTAL is a software program used in solid-state chemistry and physics.

Similarly spelled terms

• Krystal
• Cristal is a brand of champagne.

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da:Krystal (flertydig) de:Crystal fr:Cristal nl:Kristal pl:Crystal pt:Cristal (desambiguação) ru:Хрусталь