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verb

catalyse

to cause or speed up a reaction or change without being used up in it

In a sentence

Six example sentences with catalyse, each labelled with its topic.

  • A pinch of platinum powder will catalyse the reaction, turning a sluggish hour into a few noisy seconds.

    Science

  • The honeycomb inside a car's exhaust uses rare metals to catalyse dangerous fumes into harmless ones before they leave the pipe.

    Environment

  • Enzymes in a ripe pineapple catalyse the breakdown of protein, which is why the marinade tenderizes meat within minutes.

    Cooking

  • Enzymes in the liver catalyse the breakdown of most drugs, which is why doses vary so much from one patient to the next.

    Medicine

  • A single weekend hackathon catalysed the company, turning a side project into a funded team within two months.

    Startups

  • Cheap credit can catalyse a building boom, speeding construction that would have happened more slowly on its own.

    Economics

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