Definition

Noun: - A surveying instrument: A device used in surveying, consisting essentially of a small telescope with an attached spirit level that rotates around a vertical axis. Its primary function is to measure the relative heights or elevations of points on the land.

Usage

The term "surveyor's level" refers specifically to the optical instrument used by land surveyors and engineers. It is used to establish a horizontal line of sight to determine height differences over distances. - The engineer set up the surveyor's level on the tripod to check the grade of the road. - Using a surveyor's level, the team measured the relative heights of the two plots of land.

Advanced Usage

• "to take a level": This phrase describes the action of using a surveyor's level to take measurements.
  • Before construction began, the crew needed to take a level across the entire site.

Variants and Related Words

• Level (noun): A more general term for an instrument used to establish a horizontal plane. In a surveying context, it is often understood to mean a surveyor's level.
  • He checked the foundation with a level.
• Spirit level (noun): The component within a surveyor's level that indicates a true horizontal by the position of a bubble in a liquid.
• Dumpy level (noun): A specific, common type of surveyor's level with a short, stout telescope.
• Automatic level (noun): A modern type of surveyor's level that uses a compensator to automatically establish a horizontal line of sight.

Synonyms

• Surveying level: A direct synonym.
• Engineer's level: A synonym often used interchangeably, emphasizing its use in engineering.

Related Phrases

• "Running a level line": The process of conducting a series of elevation measurements using a surveyor's level.
  • The first step in the project was running a level line from the benchmark to the construction site.

Noun

1. surveying instrument consisting basically of a small telescope with an attached spirit level rotating around a vertical axis; for measuring relative heights of land