WordReference Random House Unabridged Dictionary of American English © 2026
pyrolig′neous ac′id, [Chem.]
- Chemistrya yellowish, acidic, water-soluble liquid, containing about 10 percent acetic acid, obtained by the destructive distillation of wood: used for smoking meats. Also called wood vinegar.
- 1780–90
'pyroligneous acid' also found in these entries (note: many are not synonyms or translations):