An aura is:

in Science

• Aura (symptom), a symptom experienced before a migraine or seizure.
• Aura (optics), an optical phenomenon.
• Aura (satellite), a satellite in the NASA Earth Observing System series, launched July 15, 2004.
• Association of Universities for Research in Astronomy.

in Geography

• Aura, Finland, a municipality in Finland.
• Aura (river), a river in Finland.
• Aura (woreda), a woreda or district in Ethiopia.

in Music

• Aura (album), an album by the Finnish rock group CMX.
• Aura, is an album by the progressive rock band Asia, first released in 2000.

in Linguistics

• Aura, the old name for the personification of Finland.
• A plough in the Finnish language.

in Business

• The Saturn Aura, a concept car that débuted in 2005.
• The Electronics sub-division of Bowers & Wilkins, discontinued in 1997.

in Entertainment

• Aura Reinhard, a blond law student featured on Dr. 90210.
• Aura, a character from Flash Gordon

in Software

• Aura (Animation Software), an animation software package.

others

• Aura (paranormal), a paranormal effect.
• Aura (cheese), a Finnish blue mold cheese.
• Aura (.hack), the name of an important character in the .hack//sign and .hack//Legend of The Twilight franchise.

Figurative meaning

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Figuratively, an aura refers to the character of concepts, issues or phenomena surrounding a particular topic; for example, "The discussion had an aura of casualness."

The Marxist cultural critic Walter Benjamin also used the term "aura" to refer to the feeling of awe created by unique or remarkable objects such as works of art or relics of the past. According to Benjamin older cultures can generate auras around particular objects of veneration, while capitalist culture has the opposite effect, causing the decay of the aura due to the proliferation of mass-production and reproduction technologies.

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