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 ?
Use a 100 percent synthetic oil which is made for use in all engines, or use an SAE 30 detergent oil for your mower -- look for the bottle that says "Lawn Mower Oil" and you can't go wrong.