Dictionary 1. (n.) That which clarifies.2. (n.) A vessel in which the process of clarification is conducted; as, the clarifier in sugar works. Thesaurus bolter clarifier cradle cribble cribriformity cribrosity filter grate grating honeycomb lixiviator net percolator porosity porousness purifier refiner refinery riddle rocker screen sieve sievelikeness sifter sorter sponge strainer winnow winnowing basket winnowing fan winnowing machine |