decelerate
/di:'seləreit/
Học thuậtThân thiện
Definition
Verb (transitive):
- To cause something to move or happen at a slower speed; to reduce the speed or rate of something.
Verb (intransitive):
- To move or proceed at a slower speed; to lose velocity.
Usage
- As a transitive verb, "decelerate" takes a direct object (the thing whose speed is being reduced).
- As an intransitive verb, it describes the subject's own action of slowing down.
- It is often used in technical, formal, or scientific contexts related to motion, growth, or processes.
Examples
- Transitive verb:
- The pilot decelerated the aircraft before landing.
- The new policy aims to decelerate inflation.
- Intransitive verb:
- The train began to decelerate as it approached the station.
- Economic growth is expected to decelerate next quarter.
Advanced Usage
- "decelerate the process": To deliberately slow down a procedure or development.
- They decided to decelerate the process to ensure accuracy.
- Used in physics and engineering to describe negative acceleration.
Variants and Related Words
- Deceleration (n): The act or process of decelerating; the state of decelerating.
- The car's rapid deceleration threw him forward.
- Decelerator (n): A device used to reduce speed.
Synonyms
- Slow (down) (v): To reduce speed. (More common and general)
- Retard (v): To delay or slow the progress of. (Formal, often technical)
- Brake (v): To slow or stop by using a brake. (Specific to vehicles/machines)
Antonyms
- Accelerate (v): To increase in speed or rate.
- Speed up (v): To go or cause to go faster.
Phrasal Verbs
- Decelerate into: To slow down while entering or transitioning into something.
- The spacecraft will decelerate into the planet's atmosphere.
Verb
- reduce the speed of
- He slowed down the car
- lose velocity; move more slowly
- The car decelerated