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Related to pyroligneous: pyroligneous spirit
Made by the destructive distillation of wood.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Chemistry) (of a substance) produced by the action of heat on wood, esp by destructive distillation
[C18: from French pyroligneux, from pyro- + ligneux ligneous]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014