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pyroligneous acid

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noun Chemistry.
  1. a yellowish, acidic, water-soluble liquid, containing about 10 percent acetic acid, obtained by the destructive distillation of wood: used for smoking meats.

Origin of pyroligneous acid

First recorded in 1780–90
Also called wood vinegar.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for pyroligneous acid

pyroligneous acid

noun
  1. the crude reddish-brown acidic liquid obtained by the distillation of wood and containing acetic acid, methanol, and acetoneAlso called: wood vinegar
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012