Dispersant 2 : A chemical agent used to break up or disperse concentrations of various liquid or solid materials. In cleaning oil spills, dispersants are used to disperse oil on the water surface. (Bul D11)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}