Throttle
Part of speech: verb
Definition: To cut back on the speed of an engine, a person or organization. To strangle or choke someone.
Part of speech: noun
Definition: A valve that regulates the supply of fuel-air mixture to an internal combustion engine and thus controls its speed; a similar valve that controls the air supply to an engine. The lever or pedal that controls this valve.
Accelerator
Part of speech: noun
Definition: One who, or that which, accelerates.A device for causing acceleration.A substance which speeds up chemical reactions.accelerator pedal.
Example sentence: It's relatively easy to set up a tech company, join an accelerator, and progress down a pathway towards success. It's more complex to do that with food.