thickened oil

thickened oil

[′thik·ənd ′ȯil]
(materials)
Any oil to which a thickening agent has been added to increase viscosity or produce thixotropic properties; grease is a thickened oil.
References in periodicals archive ?
When it does, the couple of quarts of cold, thickened oil trapped in the cooler will be slow to flow out the other side and into the engine, creating a blockage.
Additionally, the pump is claimed to be an efficient solution for pumping thickened oil sand tailings.