Definition

1. Noun:
   • Vacuum gauge: A scientific instrument used to measure the pressure in a vacuum or a system with pressure lower than atmospheric pressure.

Usage Examples

• Noun:
  • Nhà khoa học sử dụng chân không đế để kiểm tra áp suất trong buồng thí nghiệm. (The scientist uses a vacuum gauge to check the pressure in the laboratory chamber.)
  • Chân không đế này có thể đo được áp suất rất thấp. (This vacuum gauge can measure very low pressure.)

Advanced Usage

• The term is a compound noun specific to physics and engineering. It is used in contexts involving vacuum systems, such as in semiconductor manufacturing, scientific research, and refrigeration.

Variants and Related Words

• Đo chân không (v): to measure vacuum.
  • Họ cần đo chân không trước khi bắt đầu thí nghiệm. (They need to measure the vacuum before starting the experiment.)

Synonyms

• Vacuum meter
• Vacuum pressure gauge
• Manometer (specifically for pressure measurement, which can include vacuum)

Related Terms

• Chân không (n): vacuum.
  • Máy bơm tạo ra môi trường chân không. (The pump creates a vacuum environment.)
• Áp suất (n): pressure.
  • Áp suất trong ống đã giảm xuống. (The pressure in the tube has decreased.)