Word.ws English Dictionary

deceleration

/diːsɛləˈɹeɪʃən/US/dɪˌsɛləˈɹeɪʃən/

deceleration noun: the act or process of decelerating.

Noun

deceleration (countable and uncountable, plural decelerations)

  1. (uncountable) The act or process of decelerating.
    • The rocket is now in deceleration.
    • Comparing both Regions' 1959 services against those of 1939 an appreciable deceleration is evident. This was due to increased loadings, even though more trains were being run, while on the W.R. in particular the increased volume of freight traffic over the line shared the blame.1960 February, R. C. Riley, “The London-Birmingham services - Past, Present and Future”, in Trains Illustrated, page 98
  2. (countable) 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.

deceleration meaning in Tamil, Kannada, Tagalog and Arabic

deceleration in Tamil

எதிர் முடுக்கம், வேக இறக்கம், வேகச் சுணக்கம், வேகத் தளர்ச்சி, ஒடுக்கம், சுழல் வேகக் குறை

deceleration in Kannada

ಉರುಬಿಳಿತ, ಬಿರುವಿಳಿತ, ಇಳಿ ಒತ್ತರ, ಇಳಿ ಉಬ್ಬರ

deceleration in Tagalog

the act or process of decelerating
hidarasig
amount by which a speed or velocity decreases
hidarasig

deceleration in Arabic

the act or process of decelerating
تَباطُؤ tabāṭuʔ
More languagesFewer languages
deceleration in Malay
nyahpecutan
deceleration in Indonesian
perlambatan, deselerasi
deceleration in Persian
واشتاب vâšetâb

Antonyms of deceleration

Forms of deceleration

pluraldecelerations

Plural of deceleration: decelerations

Origin of deceleration

From de- + (ac)celeration.

Words formed from deceleration

Words that rhyme with deceleration

48 more rhymesFewer rhymes

Questions about deceleration

What does deceleration mean?
Deceleration means the act or process of decelerating.
What is deceleration in Tamil?
Deceleration in Tamil is எதிர் முடுக்கம், வேக இறக்கம், வேகச் சுணக்கம். See Deceleration meaning in Tamil.
What part of speech is deceleration?
Deceleration is a noun.
How do you pronounce deceleration?
Deceleration is pronounced /diːsɛləˈɹeɪʃən/ (UK).
What is the plural of deceleration?
The plural of deceleration is decelerations.

Words near deceleration in the dictionary

  1. decelerate
  2. decelerated
  3. decelerates
  4. decelerating
  5. deceleratingly
  6. deceleration
  7. decelerational
  8. decelerationism
  9. decelerationist
  10. decelerationists
  11. decelerations

Source and license

Adapted from Wiktionary: deceleration (page history and authors); deceleration (Tamil Wiktionary) (page history and authors); deceleration (Kannada Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-deceleration.wav.

Cite this entry: “deceleration.” Word.ws, https://word.ws/deceleration. Based on Wiktionary, CC BY-SA 4.0.