1. accelerator

noun. (ækˈsɛlɝˌeɪtɝ) A pedal that controls the throttle valve.
Synonyms
automobile pedal motorcar throttle gas foot lever aeroplane foot pedal car accelerator pedal airplane machine treadle gun plane gas pedal auto
Antonyms
substance angiotensin II inhibitor moderator
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2. accelerator

noun. (ækˈsɛlɝˌeɪtɝ) A valve that regulates the supply of fuel to the engine.
Synonyms
throttle throttle valve fuel system valve
Antonyms
stay in place walk deprive understate unleaded gasoline

3. accelerator

noun. (ækˈsɛlɝˌeɪtɝ) A scientific instrument that increases the kinetic energy of charged particles.
Synonyms
charge-exchange accelerator scientific instrument collider storage ring Cockcroft and Walton accelerator particle accelerator Cockcroft and Walton voltage multiplier Cockcroft-Walton accelerator linac linear accelerator induction accelerator cyclotron betatron atom smasher Cockcroft-Walton voltage multiplier
Antonyms
leaded gasoline defend uneven roughen antioxidant

4. accelerator

noun. (ækˈsɛlɝˌeɪtɝ) (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected.
Synonyms
enzyme catalyst biocatalyst platinum black activator
Antonyms
inhibitor anticatalyst
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