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adjective

catalytic

speeding up a chemical reaction or process without being used up by it

In a sentence

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

  • A catalytic film of platinum speeds the cleanup of exhaust gases without being consumed by the reaction itself.

    Technology

  • A catalytic surface lets the reaction run at room temperature, though the metal itself is unchanged when it finishes.

    Science

  • Engineers added a catalytic bed that makes the kiln fumes break down at far lower heat than before.

    Environment

  • Every step of digestion depends on a catalytic protein that does its job thousands of times and comes out unchanged.

    Medicine

  • Berzelius described a catalytic force in 1835 after noticing that certain metals sped reactions while remaining unchanged themselves.

    History

  • Bread rises because yeast enzymes have a catalytic effect, splitting sugar into gas without being consumed themselves.

    Cooking

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