Pumiced is the past tense form of the verb pumice. Some synonyms for pumiced include abraded, buffed, grated, polished, and scoured. Pumicing is a process that involves using a rough volcanic rock called pumice to smooth and polish surfaces like metals, glass, and ceramics. Other similar methods of surface preparation and finishing involve mechanically removing a layer of material, such as sanding, sandblasting, or wire brushing. Pumice is a popular tool for exfoliating skin and removing calluses as well. Whether you use pumice or other abrasive materials, these techniques can help you achieve a smooth, polished surface or a lovely, soft complexion.