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How to pronounce catalyst in British English
“catalyst” pronunciation by British speakers
Listen to catalyst the way British speakers say it — in real sentences from public video clips that play here, on YouTongue.
Hear “catalyst” in: all accents · American English (295 clips)
“catalyst” in real sentences — British speakers
333 clips in the index. Clips come from public YouTube videos — parliaments, government agencies and independent channels.
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The swimming pool is the catalyst—not the catalyst; the genesis.
The Scottish Parliament
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So, it proved a catalyst.
UK Parliament
Why real speech
A dictionary gives you one careful reading of catalyst. Conversation gives you the stress, the vowel reduction and the speed that people actually use — and they differ between accents. YouTongue plays the surrounding sentence, so you hear the word in the rhythm it belongs to.