pale oil

pale oil

[′pāl ‚ȯil]
(materials)
A petroleum lubricating or process oil refined until its color (measured by transmitted light) is straw to pale yellow.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The leaves, flowers and seeds on distillation yield a pale oil with thin consistency and a strong aroma.