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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
- anticatalyst (chemistry) a substance that retards a chemical reaction or diminishes the activity of a catalyst
- autocatalysis catalysis in which the catalyst is one of the products of the reaction
- biocatalyst a biochemical catalyst such as an enzyme
- cat cracker a chemical reactor for converting oils with high boiling points into fuels with lower boiling points in the presence of a catalyst
- catalase enzyme found in most plant and animal cells that functions as an oxidative catalyst; decomposes hydrogen peroxide into oxygen and water
- catalytic cracker a chemical reactor for converting oils with high boiling points into fuels with lower boiling points in the presence of a catalyst
- histaminase enzyme that acts as a catalyst in converting histidine to histamine