Concept information
Preferred term
catalyst
Definition
- A substance whose presence alters the rate at which a chemical reaction proceeds, but whose own composition remains unchanged by the reaction. Catalysts are usually employed to accelerate reactions(positive catalyst), but retarding (negative) catalysts are also used.
Broader concept
Narrower concepts
Belongs to group
Belongs to array
In other languages
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Arabic
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Armenian
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Azerbaijani
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Basque
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Bulgarian
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Catalan
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Chinese (China)
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Croatian
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Czech
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Danish
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Dutch
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Estonian
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Finnish
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katalysaattori
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French
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Georgian
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German
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Greek
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Hungarian
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Icelandic
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Irish
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Italian
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Latvian
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Lithuanian
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Maltese
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Norwegian
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Polish
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Portuguese
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Romanian
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Russian
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Slovak
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Slovenian
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Spanish
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Swedish
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Turkish
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Ukrainian
URI
http://www.eionet.europa.eu/gemet/concept/1210
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