vacuum-gauge

A technician checks the vacuum-gauge on the laboratory equipment.

Definition

1. Noun:
   • Instrument for measuring vacuum: A "vacuum-gauge" is a device used to measure the pressure of a vacuum, typically indicating how much the air pressure inside a sealed space has been reduced below atmospheric pressure.

Usage Examples

• Noun:
  • The technician checked the vacuum-gauge to ensure the chamber had reached the required low pressure. (The device measured the vacuum level.)
  • A vacuum-gauge is essential for monitoring the efficiency of a vacuum pump. (The instrument helps track pressure changes.)

Advanced Usage

• "to read a vacuum-gauge": to interpret the measurement shown on the device.

  • The engineer read the vacuum-gauge and noted that the pressure was 0.01 millibars. (The engineer observed the gauge's indication.)

• "vacuum-gauge calibration": the process of adjusting the device to ensure accurate readings.

  • Proper vacuum-gauge calibration is critical in scientific experiments. (Accurate calibration is needed for reliable data.)

Variants and Related Words

• Vacuum (n): a space devoid of matter, especially one from which air has been removed.

  • The vacuum in the flask helps preserve the contents. (The empty space with low pressure.)

• Gauge (n): an instrument for measuring the amount, size, or force of something.

  • The pressure gauge showed a high reading. (The measuring device.)

Synonyms

• Pressure gauge: a broader term for devices measuring pressure, including vacuum levels.
• Vacuum meter: another term for an instrument that measures vacuum pressure.

Phrasal Verbs

• None directly associated with "vacuum-gauge" as a noun.

Related Idioms

• None directly associated with "vacuum-gauge" as a technical term.