Salt 6 : Normally sodium chloride, NaCl. Chemically, the term salt is also applied to any one of a class of similar compounds formed when the hydrogen of an acid is partly or wholly replaced by a metal or a metallic radical. (Bul 10C)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}