Gum 1 : Any hydrophilic plant, polysaccharides or their derivatives which when dispersed in water, swell to produce a viscous dispersion or solution. Unlike resins, hey are soluble in water and insoluble in alcohol. (Bul 10C, Bul D11)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}