deceleration
Học thuậtThân thiện
Definition
- Noun:
- The act of decelerating; decreasing the speed: The process of reducing speed or velocity.
- (Physics) A rate of decrease in velocity: A measure of how quickly velocity is decreasing over time.
- A decrease in rate of change: A slowdown in the pace or rate of any process or activity.
Usage
- Use "deceleration" to describe the physical process of slowing down a moving object.
- Use "deceleration" in physics to quantify the negative acceleration (slowing down) of an object.
- Use "deceleration" figuratively to describe a slowdown in non-physical processes, such as economic growth or diplomatic activity.
Examples
- Noun:
- The driver's smooth deceleration prevented an accident. (The act of decreasing speed)
- Calculate the deceleration of the vehicle when the brakes are applied. (The rate of decrease in velocity)
- The report noted a deceleration in the growth of consumer spending. (A decrease in rate of change)
Advanced Usage
- "Rapid deceleration": A very quick decrease in speed.
- The crash was caused by a rapid deceleration that threw the passengers forward.
- "Economic deceleration": A slowdown in economic activity.
- The central bank is concerned about the current economic deceleration.
Variants and Related Words
- Decelerate (verb): To reduce speed; to slow down.
- The train began to decelerate as it approached the station.
- Decelerator (noun): A device or agent that causes deceleration.
- The engine acted as a decelerator.
Synonyms
- Slowing: The act of becoming slower.
- Retardation: (Formal/Technical) The act of delaying or slowing progress.
- Slowdown: A reduction in speed or activity.
Antonyms
- Acceleration: An increase in speed or rate.
- Quickening: The process of becoming faster.
Related Phrases
- "To undergo deceleration": To experience a process of slowing down.
- The spacecraft will undergo deceleration before entering the planet's atmosphere.
- "Rate of deceleration": The specific measure of how fast something is slowing down.
- The rate of deceleration was measured at 5 meters per second squared.
Noun
- the act of decelerating; decreasing the speed
- he initiated deceleration by braking
- (physics) a rate of decrease in velocity
- a decrease in rate of change
- the deceleration of the arms race