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Definitions from the Web

Catalyst

Definition:

A catalyst is a substance that increases the rate of a chemical reaction without being consumed in the process. It accelerates the reaction without undergoing any permanent changes itself.

Senses:

1. Chemistry:

In chemistry, a catalyst is a substance that initiates or speeds up a chemical reaction by providing an alternative reaction pathway with lower activation energy, allowing the reaction to occur more rapidly. It remains unchanged at the end of the reaction.

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Sample sentence:

The platinum wire acts as a catalyst in this reaction, increasing the rate at which the hydrogen and oxygen gases combine to form water.

2. Figurative:

In a non-scientific context, a catalyst is something or someone that provokes or speeds up a process or event, often by bringing about change or introducing a new idea or perspective.

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Sample sentence:

The new research proved to be a catalyst for innovation and sparked a wave of creativity in the scientific community.