catalyst in English dictionary

  • catalyst

    Meanings and definitions of "catalyst"

    • (chemistry) A substance that increases the rate of a chemical reaction without being consumed in the process.
    • Someone or something that encourages progress or change.
    • (automotive) A catalytic converter.
    • noun
      (chemistry)
      A substance that increases the rate of a chemical reaction without being consumed in the process.
    • noun
      Someone or something that encourages progress or change.
    • noun
      (literature)
      An inciting incident which that sets the successive conflict into motion.
    • noun
      (automotive)
      A catalytic converter.
    • 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.(Source: ALL)
    • substance which increases the rate of a chemical reaction without being consumed in the process
    • someone or something that helps or encourages progress or change
    • A substance which speeds up chemical reactions.
    • noun
      (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
    • noun
      something that causes an important event to happen; "the invasion acted as a catalyst to unite the country"

    Synonyms of "catalyst" in English dictionary

    accelerator, causal agency, activator are the top synonyms of "catalyst" in the English thesaurus.

    Antonyms of "catalyst" in English dictionary

    anticatalyst is the antonym of "catalyst" in the English thesaurus.

    Grammar and declension of catalyst

    • catalyst ( plural  catalysts)
    • catalyst (plural catalysts)
  • Catalyst

Sample sentences with "catalyst"

Available translations

Authors