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deceleration

5 syllables
noun
Quick answer

As a noun, deceleration means the act or process of decelerating.

Meanings of deceleration

5 meanings

noun

  1. The act or process of decelerating.

    “The rocket is now in deceleration.”

  2. The amount by which a speed or velocity decreases (and so a scalar quantity or a vector quantity), an acceleration having a negative numerical value.

    “The brakes produce a deceleration of 10 metres per second.”

  3. A decrease in rate of change

    “the deceleration of the arms race”

    Similar: slowing, retardation

  4. (physics) a rate of decrease in velocitytime

  5. The act of decelerating; decreasing the speed

    “he initiated deceleration by braking”

Meanings from Wiktionary (CC BY-SA 4.0) and Open English WordNet (CC BY 4.0).

Synonyms by meaning

noun: a decrease in rate of change
slowingretardation
Oppositesacceleration

Words that rhyme with deceleration

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Nearby words

deceitfullydeceivedeceiverdeceivingdeceivinglydecelerateDecemberdecencydecennialdecentdecentlydecentralization