A flocculant is a substance that helps to clump together small particles in a liquid so that they can be easily removed. Synonyms for the word flocculant include coagulant, precipitant, clarifier, settling agent, and agglomerant. These words all refer to substances that help to gather together small particles and make them easier to remove from a system. Flocculants are commonly used in water treatment processes to remove impurities and in mineral processing to separate ores from waste materials. While the word "flocculant" is commonly used in these fields, the synonyms can provide a more varied and descriptive vocabulary when discussing this topic.