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How to pronounce deceleration

Say it like dih-sel-uh-RAY-shun. Deceleration has five syllables, and the main stress falls on the fourth one (RAY).

VoiceSpeed
US American/dɪˌsɛləˈreɪʃən/dih-sel-uh-RAY-shun
UK British/diːsɛləˈreɪʃən/dee-sel-uh-RAY-shun
  • dih
  • sel
  • uh
  • RAY
  • shun
  • Main stress
  • Lighter stress
  • Unstressed

Deceleration pronunciation, sound by sound

Read the parts left to right, then blend them together without pausing.

  1. dihKeep this part quick and light. The vowel is the "i" in sit.
  2. selGive this part a little weight. The vowel is the "e" in bed.
  3. uhKeep this part quick and light. The vowel is the relaxed "uh" in about.
  4. RAYSay this part loudest and longest. The vowel is the "ay" in day.
  5. shunKeep this part quick and light. The vowel is the relaxed "uh" in about.

American vs British pronunciation of deceleration

American and British speakers say deceleration in essentially the same way: /dɪˌsɛləˈreɪʃən/ in the US and /diːsɛləˈreɪʃən/ in the UK.

British respelling: dee-sel-uh-RAY-shun.

What does deceleration mean?

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.”

Where does deceleration come from?

From de- + (ac)celeration.

Similar and opposite words

Similar meaning

Opposite meaning

Words that rhyme with deceleration

Practicing rhymes is a quick way to lock in the vowel sound of deceleration.

Questions about saying deceleration

How do you pronounce deceleration?

Say dih-sel-uh-RAY-shun. The American pronunciation is /dɪˌsɛləˈreɪʃən/. In British English it is /diːsɛləˈreɪʃən/. Press play above to hear it at normal speed or slowly.

How many syllables are in deceleration?

Deceleration has five syllables, and the main stress falls on the fourth one (RAY). Broken into parts: dih · sel · uh · RAY · shun.

Do Americans and Brits say deceleration the same way?

Almost exactly. The American form is /dɪˌsɛləˈreɪʃən/ and the British form is /diːsɛləˈreɪʃən/, so you can use either pronunciation with any listener.

Pronunciation from CMUdict and Wiktionary; meaning and origin adapted from Wiktionary (CC BY-SA 4.0).