detergent oil

detergent oil

[di′tər·jənt ‚ȯil]
(materials)
A lubricating oil with special sludge-dispersing properties for use in internal combustion engines.
References in periodicals archive ?
Adding a multi-viscosity detergent oil would destroy the engine as it scoured it clean.
Among four high SASH oils, Ca-based detergent oils (oil B and oil C) experience an earlier transition from bed filtration to cake filtration than Mg-based detergent oils (oil E and oil H).