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noun(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
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"the invasion acted as a catalyst to unite the country"nounsomething that causes an important event to happentype of:
Definition that contains catalyst
- enzyme any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions
- phosphatase any of a group of enzymes that act as a catalyst in the hydrolysis of organic phosphates
- bauxite a clay-like mineral; the chief ore of aluminum; composed of aluminum oxides and aluminum hydroxides; used as an abrasive and catalyst
- sensitiser (chemistry) a substance other than a catalyst that facilitates the start of a catalytic reaction
- hydrocracking the process whereby hydrocarbon molecules of petroleum are broken down into kerosene and gasolene by the addition of hydrogen under high pressure in the presence of a catalyst
- haber process an industrial process for producing ammonia from nitrogen and hydrogen by combining them under high pressure in the presence of an iron catalyst
- catalytic cracker a chemical reactor for converting oils with high boiling points into fuels with lower boiling points in the presence of a catalyst
- sensitizer (chemistry) a substance other than a catalyst that facilitates the start of a catalytic reaction
- benzoyl peroxide a white crystalline peroxide used in bleaching (flour or oils or fats) and as a catalyst for free radical reactions
- biocatalyst a biochemical catalyst such as an enzyme