ligate tar

ligate tar

[′lī‚gāt ‚tär]
(materials)
A soft tar produced by destructive distillation of lignite; can be used without further refining as diesel fuel or can be redistilled to yield a substance resembling coal tar distillate.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.