Accelerator may refer to:

In science and technology

In computing

• Download accelerator, or download manager, software dedicated to downloading
• Hardware acceleration, the use of dedicated hardware to perform functions faster than a CPU
  • Graphics processing unit or graphics accelerator, a dedicated graphics rendering device
    • Accelerator (library), a library that allows programs to be written for the graphics processing unit
  • Cryptographic accelerator, performs decrypting/encrypting
• Web accelerator, a proxy server that speeds web site access
• Accelerator (Internet Explorer), a form of selection-based search
• Accelerator table, specifies keyboard shortcuts for commands
• Apple II accelerators, hardware devices design to speed up an Apple II computer
• PHP accelerator, speeds up software applications written in the PHP programming language
• SAP BI Accelerator, speeds up online analytical processing queries
• SSL accelerator, offloads public key encryption algorithms to a hardware accelerator
• TCP accelerator, or TCP Offload Engine, offloads processing of the TCP/IP stack to the network controller
• Accelerator (Software), collection of development solutions for LANSA and .NET
• Keyboard shortcut, a set of key presses that invoke a software or operating system operation

In physics and chemistry

• Accelerator (chemistry), a substance that increases the rate of a chemical reaction
• Araldite accelerator 062, or Dimethylbenzylamine, an organic compound
• Cement accelerator, an admixture that speeds the cure time of concrete
• Particle accelerator, a device which uses electric and/or magnetic fields to propel charged particles to high speeds
  • Accelerator-driven system (ADS), a nuclear reactor coupled to a particle accelerator
  • Accelerator mass spectrometry (AMS), a form of mass spectrometry
• Tanning accelerator, chemicals that increase the effect of ultraviolet radiation on human skin
• Vulcanizing Accelerators, chemical agents to speed the vulcanization of rubber

Firearms

• .22 Accelerator or Remington Accelerator, a type of .224 caliber bullet
• Electricothermal accelerator, a weapon that uses a plasma discharge to accelerate its projectile
• Magnetic accelerator gun, a weapon that converts magnetic energy into kinetic energy for a projectile
• Ram accelerator, a device for accelerating projectiles using ramjet or scramjet combustion
• Produce accelerators, cannons which use air pressure or combustion to launch large projectiles at low speed

Other technologies

• Accelerator (car), or gas pedal, a foot pedal that controls the engine speed of an automobile
• Accelerator Coaster, a roller coaster that uses hydraulic acceleration
• G-Force Accelerator, a ride at the U.S. Space and Rocket Center

In entertainment

• The Accelerators, US rock band
• Accelerator (Bj rn Lynne album), a 2001 progressive-rock album
• Accelerator (Royal Trux album), their seventh studio album, released in 1998
• Accelerator (The Future Sound of London album), their debut album
• "Accelerator" (single), a 1993 single by Gumball (band)
• "Accelerator", a song by band The O.A.O.T.'s, on their album Typical
• "Accelerator", a song by the band Primal Scream from their album XTRMNTR
• XLR8R (pronounced "accelerator"), a magazine and website that covers music, culture, style, and technology
• Accelerator (To Aru Majutsu No Index), one of the main characters in the anime series Toaru Majutsu no Index
• Accelerator (Universal Studios Singapore), a whirling twirling ride that spins guests around
• PC Accelerator, a personal computer game magazine

Other uses

• Business incubator, a business operation that offers advice and resources to help small businesses grow
• Accelerator effect, economic stimulus to private fixed investment due to growth in aggregate demand
• Saskatoon Accelerators, a professional soccer team based in Saskatoon, Canada

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