Permeability 25 : The property of permitting liquids or gases to pass through. A highly permeable soil, such as sand, allows a liquid to pass through quickly. Clay has a low permeability
Center for Environmental Health Outreach and Education Group, Glossary of Environmental Health Terms, New York State Department of Health, NY, USA 2012. http: //www.health.ny.gov/environmental/glossary/, (Envir Hlth and Sfty - Amer) {694}