Yahoo Malaysia Web Search

Search results

  1. Dictionary
    catalyst
    /ˈkatəlɪst/

    noun

    • 1. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change: "chlorine acts as a catalyst promoting the breakdown of ozone"

    More definitions, origin and scrabble points

  2. a condition, event, or person that is the cause of an important change. biology, chemistry.

  3. The meaning of CATALYST is a substance that enables a chemical reaction to proceed at a usually faster rate or under different conditions (as at a lower temperature) than otherwise possible. How to use catalyst in a sentence.

  4. something that makes a chemical reaction happen more quickly without itself being changed. an event or person that causes great change: The high suicide rate acted as a catalyst for change in the prison system. SMART Vocabulary: related words and phrases. Chemistry - general words. acceptor. aerosolize. allotrope. amphiprotic. balanced equation.

  5. Jun 4, 2024 · Catalyst, in chemistry, any substance that increases the rate of a reaction without itself being consumed. Enzymes are naturally occurring catalysts responsible for many essential biochemical reactions. In general, catalytic action is a chemical reaction between the catalyst and a reactant.

  6. A catalyst is an event or person causing a change. Getting kicked out of your parents' house might be a catalyst for becoming more independent.

  7. A substance that starts or speeds up a chemical reaction while undergoing no permanent change itself. The enzymes in saliva, for example, are catalysts in digestion. catalyst. In chemistry, a substance that causes a chemical reaction to occur but is not itself involved in the reaction.

  8. catalyst (for something) a person or thing that causes a change. I see my role as being a catalyst for change. The riots were later seen as the catalyst for the new political developments.

  9. A catalyst is an agent or compound that is added to a process to make a chemical reaction happen more quickly. The catalyst can increase the reaction rate of the steam and can participate in the secondary reactions. The packing can also act as a catalyst to enhance desired chemical transformations.

  10. catalyst. ( ˈkætəlɪst) n. 1. (Chemistry) a substance that increases the rate of a chemical reaction without itself suffering any permanent chemical change. Compare inhibitor 2. 2. a person or thing that causes a change.

  11. Sep 21, 2022 · In chemistry and biology, a catalyst is a substance the increases the rate of a chemical reaction without being consumed by it. Catalysis is the process of speeding up a reaction using a catalyst. The word “catalyst” comes from the Greek word kataluein, which means to loosen or untie.