Definition

1. Adjective:
   • Dermatological / Cutaneous: Relating to, existing on, or affecting the skin. This describes conditions, diseases, or symptoms that manifest on the skin's surface.
   • For external use / Topical: Describing a substance, such as a medicine or ointment, that is intended to be applied to the skin's surface and not ingested or injected.

Usage Examples

• Adjective:
  • Bác sĩ chuyên khoa da liễu khám các bệnh ngoài da. (A dermatologist examines skin diseases.)
  • Thuốc mỡ này chỉ dùng ngoài da. (This ointment is for external/topical use only.)
  • Viêm da là một bệnh ngoài da phổ biến. (Dermatitis is a common cutaneous condition.)

Advanced Usage

• The term is primarily used in medical and pharmaceutical contexts. It is a formal, clinical term rather than a casual description of the skin's exterior.

Variants and Related Words

• Bệnh ngoài da (n): Skin disease, cutaneous disease.

  • Bệnh chàm là một loại bệnh ngoài da. (Eczema is a type of skin disease.)

• Thuốc ngoài da (n): Topical medicine, medicine for external use.

  • Hãy làm theo hướng dẫn sử dụng cho thuốc ngoài da. (Follow the usage instructions for the topical medicine.)

Synonyms

• Cutaneous: Pertaining to the skin.
• Dermatological: Relating to the skin and its diseases.
• Topical: Designed for application to a particular part of the body's surface.
• External: For use on the outside of the body.

Related Idioms

• is a technical term and is not commonly used in idiomatic expressions. Its usage is almost exclusively literal and clinical.

1. Developing on the skin
   • Bệnh ngoài da
     Skin diseases
2. For external use
   • Thuốc mỡ này chỉ dùng ngoài da
     This ointment is for external use only