Extraction

Extraction may refer to:

Science and technology

Biology and medicine

• Comedo extraction, a method of acne treatment
• Dental extraction, the surgical removal of a tooth from the mouth

Computing and information science

• Data extraction, the process of retrieving data out of data sources
• Information extraction
• Knowledge extraction
• The process of reversing data compression, a.k.a. decompression
• The process of choosing elements from a source document, in linguistics

Other uses in science and technology

• Root extraction, in mathematics, the computation of a nth root
• Extraction (chemistry), the separation of a substance from a matrix
• Primary extraction, the act of removing a spent cartridge from the chamber of a firearm
• Fragrance extraction, the process of obtaining fragrant oils and compounds from raw materials
• Resource extraction, the process of locating, acquiring and selling any resource
  • Petroleum extraction, the process of recovering petroleum from the ground
• Ancestry or origin of a person

Arts and entertainment

• Extraction (2015 film), an American thriller film starring Kellan Lutz, Bruce Willis, and Gina Carano
• Extraction (2020 film), an American action film starring Chris Hemsworth
• Extraction (album), by guitarist Greg Howe
• "Extraction" (The Shield), an episode of the television series
• Dead Space: Extraction, a video game prequel to the 2008 game Dead Space
• "Extractions", a song by BS 2000 on the 2001 album Simply Mortified
• Dirty Bomb (video game), formerly known as Extraction
• Tom Clancy's Rainbow Six Extraction, 2022 video game

Other uses

• Extraction (military), the removal of someone from a hostile area to an area occupied by either friendly personnel or within friendly control
• Literary extract, in which a portion of a written work is published
• A part of the anatomy of a stroke, in rowing

See also

• Extract
• Extracted, a 2012 American science fiction thriller

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