Accelerator (library)
WordNet
noun
(1) A valve that regulates the supply of fuel to the engine
(2) A scientific instrument that increases the kinetic energy of charged particles
(3) A pedal that controls the throttle valve
"He stepped on the gas"
(4) (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
WiktionaryText
Noun
Often used adjectivally
- One who, or that which, accelerates.
- A device for causing acceleration.
- A substance which speeds up chemical reactions.
- accelerator pedal.
Noun
- accelerator; a substance which speeds up chemical reactions.
- accelerator; a device which accelerates different kinds of particles to large velocities