Dewatered : To have reduced the water content of recently produced wastes or other materials either mechanically or by evaporation. For example, dewatering reduces the water in tailings to 30% by weight or less
U.S. Environmental Protection Agency, Radiation Glossary, Office of Radiation and Indoor Air Radiation Protection Division, Washington, DC, USA 2013. http://www.epa.gov/radiation/glossary/index.html#a , (Dzstr/ Rad Emr - Amer) {823}