English: A coffee percolator is a type of pot used to brew coffee. The name stems from the word "percolate" which means to cause (a solvent) to pass through a permeable substance especially for extracting a soluble constituent. Coffee percolators recirculate the liquid repeatedly. It is a practical method, but produces a generally agreed upon inferior product, as compared to a "drip" coffeemaker, where the liquid drips (or, confusedly, percolates) down through coffee grounds, where a filter keeps particulate matter from descending further. Thus, all "drip" coffeepots do allow coffee liquor to "percolate", but the two terms are for entirely different processes in this context.