Ratchet
Template:Sister project Ratchet may refer to:
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Devices
- Ratchet (device), a mechanical device that allows movement in only one direction
- Ratchet effect in sociology and economics
- Ratchet, metonymic name for a socket wrench incorporating a ratcheting device
- Ratchet (instrument), a musical instrument and a warning device
Film and television
- Ratchet (Robots), a character in the film Robots
- Ratchet, a character in the Widget the World Watcher television series
- Ratchet, a character in the Red Lantern Corps DC Comics series
- Ratchet (Transformers), a character
- Ratchet, a 1986 thriller film by John Johnson
Video games
- Ratchet (Ratchet & Clank), a video game character
- Ratchet: Deadlocked, a video game
Music
- “Ratchet (song)” Millionaires (group) featuring Kreayshawn, 2012
- "Ratchet" (Bloc Party song), 2013
- Ratchet (Shamir album), 2015
- Ratchet, another name for the RnBass genre
Other
- Ratchet option, a financial derivative also known as cliquet option
- Double Ratchet Algorithm, an algorithm for managing cryptographic keys
- Ratchet (slang), a derogatory term
- Ratchet Gearloose, a Disney character, paternal grandfather of Gyro Gearloose