coal tar

• Líquido espesso e escuro ou subproduto semissólido obtido pela destilação destrutiva do carvão, usado industrialmente e historicamente em tratamentos médicos para doenças de pele.

A thick, dark liquid or semi-solid byproduct obtained from the destructive distillation of coal, used in industrial applications and historically in medical treatments for skin conditions.

1. Thick liquid byproductC1formal

   A thick, dark liquid or semi-solid byproduct obtained from the destructive distillation of coal, used in various industrial and medical applications.

   Líquido espesso subproduto

   • Coal tar is used in the production of certain dyes and paints.
   • The factory processes coal tar to extract useful chemicals.
   • Historically, coal tar was a key ingredient in roofing materials.

2. Medical treatmentC1formal

   A topical preparation derived from coal tar, used to treat skin conditions such as psoriasis, eczema, and dandruff.

   Tratamento medicinal

   • The doctor prescribed a coal tar shampoo for her dandruff.
   • Coal tar ointment can help reduce the scaling associated with psoriasis.
   • He applied coal tar cream to the affected areas of his skin.