something that speeds up a process.
Chemistry, (def 5).
a substance that accelerates the spread of fire or makes a fire more intense:
Arson was suspected when police found accelerants at the scene of the fire.
Also in the apartment were glass jars containing what is believed to be accelerant, black gunpowder, and bullets.
How Alleged Colorado Shooter James Holmes Bought His Guns Christine Pelisek, Eliza Shapiro July 20, 2012
Thrown into the Middle East pyre, the Zionism-racism charge has been an accelerant, angering, alienating, polarizing both sides.
Delegitimizing Israel Makes Peace Harder to Achieve Gil Troy February 27, 2013
(chem) another name for accelerator (sense 3)
1854, from Latin accelerantem (nominative accelerans), present participle of accelerare (see accelerate). As an adjective from 1890.
accelerant ac·cel·er·ant (āk-sěl’ər-ənt)
A substance, such as a petroleum distillate, that is used as a catalyst, as in spreading an intentionally set fire.
- Accelerated graphics port
accelerated graphics port hardware, graphics (AGP) A bus specification by Intel which gives low-cost 3D graphics cards faster access to main memory on personal computers than the usual PCI bus. AGP dynamically allocates the PC’s normal RAM to store the screen image and to support texture mapping, z-buffering and alpha blending. Intel has built AGP […]
- Accelerated learning
noun an intensive and shortened course of study
- Accelerated reader
a teaching device into which a page of reading material is inserted and advanced one line at a time, gradually increasing the speed to accelerate and improve one’s rate of reading comprehension.
- Accelerating universe
accelerating universe A phrase used to refer to the discovery that the Hubble expansion is not slowing down, as one would expect if only gravity were acting on the galaxies, but is actually speeding up as time goes by. (See dark energy.)
the act of ; increase of speed or velocity. a change in velocity. Mechanics. the time rate of change of velocity with respect to magnitude or direction; the derivative of velocity with respect to time. Contemporary Examples This leaves room for some acceleration of the pace of withdrawals, an option the White House is reported […]