Definition

1. Noun:
   • A pressure gauge is an instrument or device used to measure and display the amount of pressure exerted by a fluid (such as a gas or liquid) within a closed system. It provides a visual indication, typically on a dial or digital screen, of the pressure level.

Usage

• The word pressure gauge is a compound noun. It is used to refer to the specific measuring instrument itself.
• It is often found in technical, industrial, mechanical, and scientific contexts.
• Example: "Before starting the experiment, the scientist checked the pressure gauge on the gas cylinder."

Examples

• Noun:
  • The mechanic attached a pressure gauge to the tire to check its air pressure.
  • A sudden drop on the boiler's pressure gauge indicated a possible leak.
  • All pressurized systems should be equipped with a reliable pressure gauge for safety monitoring.

Advanced Usage

• "to read a pressure gauge": to interpret the measurement shown on the gauge.
  • Operators must be trained to correctly read the pressure gauge.
• "pressure gauge reading": the specific value or measurement shown by the gauge at a given time.
  • The logbook recorded the pressure gauge reading every hour.

Variants and Related Words

• Pressure gage: An alternative, less common spelling of "gauge".
• Manometer: A specific type of pressure gauge, often one that uses a column of liquid to measure pressure difference.
• Barometer: A pressure gauge specifically designed to measure atmospheric pressure.
• Tire-pressure gauge: A pressure gauge designed for measuring the air pressure in vehicle tires.

Synonyms

• Pressure indicator: A general term for a device that shows pressure levels.
• Pressure meter: Another term for an instrument that measures pressure.

Related Phrases

• Bourdon gauge: A common type of pressure gauge that uses a curved tube (Bourdon tube) which straightens under pressure to move a pointer.
• Digital pressure gauge: A pressure gauge that displays the reading on a digital screen instead of an analog dial.

Noun

1. gauge for measuring and indicating fluid pressure