Definition

1. Noun:
   • Compressed gas: A gas that is stored under high pressure in a container, such as a cylinder or tank. This is the most common general meaning.
   • "The bends" / Decompression sickness (Medical): A dangerous condition caused by nitrogen bubbles forming in the bloodstream and tissues when a person surfaces too quickly from deep water diving or leaves a high-pressure environment. This is a specialized medical term.

Usage Examples

• Noun (Compressed gas):
  • Thợ hàn cần bình khí ép để làm việc. (The welder needs a cylinder of compressed gas to work.)
  • Xe buýt này chạy bằng khí ép thiên nhiên. (This bus runs on natural compressed gas.)
• Noun (Medical):
  • Thợ lặn phải nổi lên từ từ để tránh bị khí ép. (Divers must surface slowly to avoid getting the bends.)

Advanced Usage

• "bệnh khí ép": This is the full medical term for decompression sickness.
  • Triệu chứng của bệnh khí ép bao gồm đau khớp và chóng mặt. (Symptoms of decompression sickness include joint pain and dizziness.)

Variants and Related Words

• Khí nén (n): A synonym for compressed gas, often used in industrial contexts.
  • Hệ thống khí nén điều khiển máy móc trong nhà máy. (The compressed air system controls machinery in the factory.)

Synonyms

• Compressed gas: Pressurized gas.
• Decompression sickness: The bends, caisson disease (medical).

Notes on Usage

• In everyday, non-medical contexts, "khí ép" almost always refers to compressed gas used for fuel, welding, or in industrial processes.
• The medical meaning is highly specific to diving, aviation, or pressurized work environments. The full term "bệnh khí ép" is typically used for clarity.