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HOW TO PRONOUNCE

catalyst

/ˈkætələst/

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American Pronunciation Guide · 0:47
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Finish with s followed by t.

The first syllable has the vowel in cat and carries the main stress. Keep the later vowels lighter, and avoid adding a vowel after the final t.

3 syllables · Stress on syllable 1

TRY SAYING
The chemist added a catalyst to the mixture.

APG practice sentence · CC BY-SA 4.0

CMU Pronouncing Dictionary

What does catalyst mean?

noun

  1. A substance that increases the rate of a chemical reaction without being consumed in the process.
  2. Something that encourages progress or change.
  3. An inciting incident that sets the successive conflict into motion.
More meanings (2)

noun

  1. A catalytic converter.
  2. An object that facilitates the casting of a spell (such as a magic wand).

Definitions regrouped for readability · CC BY-SA 4.0

IPA pronunciation

/ˈkætələst/

Pronunciation used in the listening tip.

CMU Pronouncing Dictionary

Other dictionary pronunciations

/ˈkæt.ə.lɪst/
Wiktionary contributors · CC BY-SA 4.0

Pronunciation varies by speaker and region. About these dictionary pronunciations.

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