straight-run distillation

straight-run distillation

[′strāt ¦rən ‚dis·tə′lā·shən]
(chemical engineering)
Continuous nonreactive distillation of petroleum oil to separate it into products in the order of their boiling points.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.