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 | ||
| Samples | He stepped on the gas. | ||
| Synonyms | accelerator pedal, gas, gas pedal, gun, throttle | ||
| Broader (hypernym) | foot lever, foot pedal, pedal, treadle | ||
| Part meronym | aeroplane, airplane, auto, automobile, car, machine, motorcar, plane | ||
| 2. | accelerator (artifact) a valve that regulates the supply of fuel to the engine | ||
| Synonyms | throttle, throttle valve | ||
| Broader (hypernym) | valve | ||
| Part meronym | fuel system | ||
| 3. | accelerator (substance) (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected | ||
| Synonyms | catalyst | ||
| Broader (hypernym) | activator | ||
| Narrower (hyponym) | biocatalyst, enzyme, platinum black | ||
| Domain category | chemical science, chemistry | ||
| Antonyms | anticatalyst | ||
| 4. | accelerator (artifact) a scientific instrument that increases the kinetic energy of charged particles | ||
| Synonyms | atom 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 holonym | storage ring | ||
Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
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Web design: Orcapia v/Per Bang. English edition: .
2024 onlineordbog.dk