Definition

Noun: A tool used to determine if a surface is perfectly horizontal (level) or vertical (plumb). It consists of a sealed, slightly curved glass or plastic tube containing a liquid (usually alcohol, hence "spirit") and an air bubble. When the bubble is centered between marked lines on the tube, the surface is level.

Usage

The term "spirit level" is used to refer to the physical tool itself. It is commonly used in construction, carpentry, picture hanging, and any task requiring a precise horizontal or vertical alignment. - You need a spirit level to ensure that shelf is straight before you screw it in. - The carpenter checked the frame with his spirit level.

Advanced Usage

• "To check something with a spirit level": To use the tool to verify alignment.
  • Always check the tiles with a spirit level as you lay them.
• "The bubble is centered": The state indicating a level surface.
  • It's perfectly level now; look, the bubble is centered.

Variants and Related Words

• Level (noun): A common short form for "spirit level."
  • Pass me the level, please.
• Bubble level (noun): A synonym that describes the tool by its key component (the bubble).
• Torpedo level (noun): A small, compact type of spirit level, often used in tight spaces.

Synonyms

• Level
• Bubble level

Related Phrases

• "To be out of level": To not be horizontal.
  • This floor is out of level; we need to fix it before installing the cabinets.
• "To level something" (verb): To make something horizontal.
  • Use shims to level the washing machine.

Noun

1. indicator that establishes the horizontal when a bubble is centered in a tube of liquid