/ Dictionary / Index P pyroligneous acid: Meaning and Definition of Find definitions for: pyrolig'neous ac'id Pronunciation: [key] — Chem. Chem. a yellowish, acidic, water-soluble liquid, containing about 10 percent acetic acid, obtained by the destructive distillation of wood: used for smoking meats. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pyroligneous pyroligneous alcohol Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language