English dictionary

Hint: Question mark (?) is a wildcard. Question mark substitutes one character.

English noun: accelerator

1. accelerator (artifact) a pedal that controls the throttle valve

SamplesHe stepped on the gas.

Synonymsaccelerator pedal, gas, gas pedal, gun, throttle

Broader (hypernym)foot lever, foot pedal, pedal, treadle

Part meronymaeroplane, airplane, auto, automobile, car, machine, motorcar, plane

2. accelerator (artifact) a valve that regulates the supply of fuel to the engine

Synonymsthrottle, throttle valve

Broader (hypernym)valve

Part meronymfuel system

3. accelerator (substance) (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected


Broader (hypernym)activator

Narrower (hyponym)biocatalyst, enzyme, platinum black

Domain categorychemical science, chemistry


4. accelerator (artifact) a scientific instrument that increases the kinetic energy of charged particles

Synonymsatom smasher, particle accelerator

Broader (hypernym)scientific instrument

Narrower (hyponym)betatron, charge-exchange accelerator, Cockcroft and Walton accelerator, Cockcroft and Walton voltage multiplier, Cockcroft-Walton accelerator, Cockcroft-Walton voltage multiplier, collider, cyclotron, induction accelerator, linac, linear accelerator

Part holonymstorage ring

Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
2019 onlineordbog.dk