Definition

1. Noun:
   • A crude acidic liquid produced by the destructive distillation of wood: "Pyroligneous acid" is a chemical term for the reddish-brown, smoky-smelling liquid obtained when wood is heated in the absence of air. It is a complex mixture containing acetic acid, methanol, acetone, and various tars.

Examples of Usage

• Noun:
  • Traditional methods of wood preservation sometimes involved the use of pyroligneous acid.
  • The chemist collected the pyroligneous acid in a condenser during the wood distillation experiment.
  • Before modern synthesis, pyroligneous acid was an important industrial source of acetic acid.

Advanced Usage

• "To distill pyroligneous acid": This phrase describes the specific process of producing the substance.
  • The old plant was built to distill pyroligneous acid from hardwood waste.

Variants and Related Words

• Wood vinegar: A common alternative name for pyroligneous acid, especially when referring to its use in agriculture or as a traditional product.
• Creosote (wood creosote): A related substance; creosote is one of the tar components that can be separated from pyroligneous acid.

Synonyms

• Wood vinegar
• Smoke acid (less common)

Related Phrases

• Destructive distillation: The key industrial process for producing pyroligneous acid.
  • Pyroligneous acid is a primary product of the destructive distillation of wood.

Noun

1. a red-brown liquid formed in distillation of wood which contains acetic acid, methanol, acetone, wood oils, and tars