How to pronounce catalyst

catalyst

/ˈkætələst/

3 syllables, stress on the first

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There is a second pronunciation: /ˈkætəlɪst/.

/k/as in cat	With a light puff of air at the start of a word.
/æ/as in cat	Open the mouth wide, as for “ah”, but say “e”. Wider than in “bed”.
/t/as in ten	Tongue tip on the ridge behind the upper teeth, not on the teeth. With a light puff of air.
/ə/as in cup	A short, relaxed “uh”; the mouth is barely open.
/l/as in look	Tongue tip on the ridge behind the teeth; air flows around the sides.
/ə/as in cup	A short, relaxed “uh”; the mouth is barely open.
/s/as in see	Tongue tip near the ridge behind the teeth, a narrow stream of air.
/t/as in ten	Tongue tip on the ridge behind the upper teeth, not on the teeth. With a light puff of air.

Catalysts make chemical reactions possible at low temperatures.

How do you pronounce catalyst?

Catalyst is pronounced /ˈkætələst/ in American English. A second pronunciation, /ˈkætəlɪst/, is also used.

How many syllables are in catalyst?

Catalyst has 3 syllables.

Which syllable is stressed in catalyst?

The first syllable: /ˈkætələst/.