solvent-refined oil

solvent-refined oil

[′säl·vənt ri¦fīnd ′ȯil]
(materials)
A lubricating oil that has been solvent-treated during refining, such as most motor, aircraft, diesel-engine, steam-turbine, and other high-quality oils.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.