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Another word for catalyst

  1. An agent that stimulates or precipitates a reaction, development, or change

      1. Fermentation
      2. An agent, such as an enzyme, bacterium, or fungus, that brings about fermentation.
      3. A substance or organism causing fermentation, as yeast, bacteria, enzymes, etc.
      1. An element, influence, or agent that works subtly to lighten, enliven, or modify a whole.
      2. A small piece of fermenting dough put aside to be used for producing fermentation in a fresh batch of dough
      3. An agent, such as yeast, that causes batter or dough to rise, especially by fermentation.
      1. A causing to be leavened
      2. Any influence spreading through something and working on it to bring about a gradual change
      3. An agent that causes rising, fermentation, or ferment; leaven.
      1. Froth consisting of yeast cells together with the carbon dioxide they produce in the process of fermentation, present in or added to fruit juices and other substances in the production of alcoholic beverages.
      2. A powdered or compressed commercial preparation of yeast cells, used chiefly as a leavening agent or as a dietary supplement.
      3. Brewer's yeast
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Another word for catalyst

  1. A substance that permits or accelerates a chemical reaction

      1. Any of numerous compounds that are produced by living organisms and function as biochemical catalysts. Some enzymes are simple proteins, and others consist of a protein linked to one or more nonprotein groups.
      2. Any of various proteins, formed in plant and animal cells or made synthetically, that act as organic catalysts in initiating or speeding up specific chemical reactions and that usually become inactive or unstable above c. 50°C (122°F)
      1. (Chemistry) any of the participants present at the start of a chemical reaction
      2. A substance that is altered or incorporated into another substance in a chemical reaction, especially a directly reacting substance present at the initiation of the reaction.
      3. Any of the substances participating in a chemical reaction
      1. (Christianity) An adherent of synergism.
      2. Any synergistic agent
      3. A synergistic organ, drug, or agent.
      1. (Chemistry) any vessel designed to hold the compounds involved in a chemical reaction; a reaction vessel
      2. An apparatus or vessel for containing and controlling chemical reactions.
  2. A person or thing acting as a stimulus

      1. (Botany) A tubular or saclike extension of the corolla or calyx of a flower, as in a columbine or larkspur.
      2. (Bot.) A slender, tubelike structure formed by a basal extension of one or more petals or sepals, often serving as a nectar receptacle; calcar
      3. A range or ridge projecting in a lateral direction from the main mass of a mountain or mountain range
      1. Anything that stimulates activity; driving force or motive; incentive; impulse
      2. An impelling force; an impulse.
      3. Increased activity in response to a stimulus: