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. Property of water that prevents lathering because of the presence of cations, mainly calcium and magnesium, which form insoluble soaps . 2. The sum of calcium and magnesium ions expressed as the equivalent amount of calcium carbonate (CaCO3) . 3. The property to form insoluble salts of fatty acid (soap) .