catalyst

[US]/'kæt(ə)lɪst/
[UK]/'kætəlɪst/
Frequency: Very High

Translation

n. catalyst, a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change; a person or thing that precipitates an event or change

Phrases & Collocations

catalyst for change

catalyst for growth

phase transfer catalyst

hydrogenation catalyst

catalyst bed

catalyst carrier

ammonia synthesis catalyst

catalyst support

zeolite catalyst

spent catalyst

oxidation catalyst

homogeneous catalyst

heterogeneous catalyst

platinum catalyst

dehydrogenation catalyst

polymerization catalyst

catalyst poisoning

Example Sentences

a catalyst for the unrest was the passage of a privatization law.

Resinification of furfural on the catalyst was the main cause of deactivation.

political agitators who are the yeast of revolution.See Synonyms at catalyst

After an eight-month running the GRV-C catalyst in the catalyst inventory reached 90% improved performance of catalyst was obtained.

The catalysts on studying can divide into two kinds: the transition metal bifunctional catalysts and the nitride, carbide and oxycarbide catalysts of transition metals.

the prime minister's speech acted as a catalyst for debate.

motorists who retrofit catalysts to older cars.

The research on the amino acid by dehydrogenation alkanolamine(s) in catalyst was recommended.

a serious breach of trust that was the catalyst for the divorce;

A catalyst is a substance which speeds up a chemical reaction.

It acts as a catalyst in the process of fermentation.

Abstract: The research on the amino acid by dehydrogenation alkanolamine(s) in catalyst was recommended.

Preparation of tetracarbonyl cobaltate sodium, an important homogeneous complex catalyst, was studied.

The performance of this catalyst for the cross-coupling reaction of iodobenzene with acrylic acid was studied.

The workers’ demand for better conditions was a catalyst for social change.

Abstract: The reaction of methyl ethyl ketazine and water to hydrazine hydrate was studied in the catalyst conditions.

The synthesis of nerolin bromelia by use of various phase transfer catalysts at different conditionsis studied.

Activated carbon as the sorbent and catalyst support was capsulated with ethyl cellulose by phase separation methods.

The process for preparation of isorotenone from rotenone by catalyst AlCl3 is feasible,and the reaction condition was mild.

Real-world Examples

Leadership is the catalyst for transforming those talents into results.

Source: 100 Classic English Essays for Recitation

Every supervisor is a catalyst to motivation.

Source: Modern University English Intensive Reading (2nd Edition) Volume 3

And universities have the power to be a vital catalyst for that change.

Source: Emma Watson Compilation

It's also the catalyst for El Nino rainstorms.

Source: CNN Selected March 2016 Collection

These islands have recently become a catalyst for Pacific aggression.

Source: "BBC Documentary: The Truth about Diaoyu Islands"

It might be a most unfortunate catalyst for good change.

Source: VOA Standard English_Americas

It appears that global climate change was the catalyst.

Source: Jurassic Fight Club

I think about four years ago, Ellen really was the catalyst.

Source: VOA Standard English_Americas

The U.S. space program has been an extraordinary catalyst for technology innovation.

Source: English world

And as we're all too familiar, COVID was a huge catalyst for even faster change.

Source: 2021 Celebrity High School Graduation Speech

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