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WordNet-Online
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Definitions from the WebCatalystNoun: A substance that increases the rate of a chemical reaction without undergoing any permanent chemical change itself. Sample sentence: Adding a small amount of a catalyst can significantly speed up the reaction. Noun: Something or someone that causes a reaction or change without directly being involved in it. Sample sentence: The new invention acted as a catalyst for societal advancements. Related products on Amazon: Catalyst Products | ||||
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