catalizador

Definitions of catalizador
  1. noun
    a converter that uses a platinum-iridium catalyst to oxidize pollutants and carbon monoxide into carbon dioxide and water; an antipollution device on an automotive exhaust system
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    type of:
    conversor, convertidor
    a device for changing one substance or form or state into another
  2. noun
    something that causes an important event to happen
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    type of:
    agente causal, causa
    any entity that produces an effect or is responsible for events or results
  3. noun
    (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
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    antonyms:
    anticatalizador
    (chemistry) a substance that retards a chemical reaction or diminishes the activity of a catalyst
    types:
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    enzima
    any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions
    amilasa
    any of a group of proteins found in saliva and pancreatic juice and parts of plants; help convert starch to sugar
    coagulasa
    an enzyme that induces coagulation
    catalasa
    enzyme found in most plant and animal cells that functions as an oxidative catalyst; decomposes hydrogen peroxide into oxygen and water
    pepsina
    an enzyme produced in the stomach that splits proteins into peptones
    peptidasa, proteasa
    any enzyme that catalyzes the splitting of proteins into smaller peptide fractions and amino acids by a process known as proteolysis
    quimosina, renina
    an enzyme that occurs in gastric juice; causes milk to coagulate
    type of:
    activador
    (biology) any agency bringing about activation; a molecule that increases the activity of an enzyme or a protein that increases the production of a gene product in DNA transcription
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