aromatic crude oil the crude oil containing less than 50% saturated hydrocarbons, and over 50% aromatics, resins and asphaltenes GRM: n. Note: its sulphur content is often greater than 1 % and it frequently corresponds to degraded products; it is a heavy and viscous oil, often containing more than 25% resins and asphaltenes References: GENcrude petroleum GENmineral naphtha GENnatural oil GENpetroleum GENraw oil GENfossil oil GENcrude oil GENrock oil GENcrude