depth-gauge

A diver checks his depth-gauge while exploring a coral reef.

Definition

1. Noun:
   • Measuring instrument: A "depth-gauge" is a tool or device used to measure the depth of a hole, groove, recess, or the distance from a reference surface to a point below it. It typically consists of a graduated rod or blade that slides through a base, allowing precise measurement of how far the rod extends below the base.

Usage Examples

• Noun:
  • The machinist used a depth-gauge to check the depth of the drilled hole. (Tool for measuring how deep the hole is.)
  • Before assembling the cabinet, he measured the groove with a depth-gauge to ensure the shelf would fit. (Instrument for verifying the depth of a cut or channel.)

Advanced Usage

• "to use a depth-gauge": to employ this measuring tool in technical or craft settings.

  • When repairing the engine, the mechanic used a depth-gauge to measure the cylinder wear. (Applied in automotive or mechanical contexts.)

• "depth-gauge reading": the numerical value shown by the instrument.

  • The depth-gauge reading indicated the hole was exactly 2.5 centimeters deep. (The measurement result from the tool.)

Variants and Related Words

• Depth (noun): the distance from the top or surface to the bottom of something.

  • The depth of the pool is 3 meters. (Vertical measurement.)

• Gauge (noun): a device for measuring the amount, size, or capacity of something.

  • The fuel gauge showed the tank was nearly empty. (General measuring instrument.)

Synonyms

• Depth-measuring tool: a general term for any instrument that measures depth.
• Depth indicator: a device that shows the depth of a hole or cavity.
• Depth probe: a rod or tool used to probe and measure depth.

Related Idioms