Glossary of Karst and Cave Terms
Based on "A Lexicon of Cave and Karst Terminology with Special to Environmental Karst Hydrology" EPA/600/R-02/003, 2002, EPA: Washington, DC., Speleogenesis Glossary includes 2699 cave & karst terms
1. The flow of water from one hydrogeologic unit to another. The leakage may be natural, as through semi-impervious confining layer, or manmade, as through an uncased well . 2. The natural loss of water from artificial structures as a result of hydrostatic pressure .