Extraction

Extraction may refer to:

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 $n$th 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