clarifier

noun
  1. A device or substance used to remove impurities or suspended matter from a liquid, making it clear. noun
    The water treatment plant uses a clarifier to purify the water before it is distributed to homes.
    In the winemaking process, a clarifier is often added to remove unwanted particles from the wine.
  2. A person or thing that makes something more comprehensible or clear. noun
    The teacher acted as a clarifier, helping students understand the complex topic.
    The diagram served as a clarifier for the complicated instructions.