Level

Tool used to indicate horizontal or vertical surfaces.

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A level is a tool used to indicate whether a surface is perfectly horizontal (level) or vertical (plumb). It typically consists of a small spirit bubble housed within a liquid-filled casing; when the bubble rests centered between markings, the surface is level or plumb.

Etymology

The word 'level' comes from the Old English 'lyfel,' meaning 'flat surface.'

Explain Like I’m 5

A level is a tool that helps you make sure things are perfectly flat or straight, like when building a shelf or hanging a picture.

Fun Facts

The earliest known level was a plumb bob used in ancient Egypt
Spirit levels were patented in the 1820s
Laser levels can project a level plane over long distances

FAQ

What is a level used for? To check if a surface is horizontal or vertical
How does it work? It uses a bubble that stays in the middle when the surface is level
What are common types of levels? Spirit, laser, digital

Hypernyms — Broader Categories

tool measuring instrument

Hyponyms — Specific Examples

digital level laser level spirit level

Meronyms — Parts or Components

bubble casing markings

Indexes

equipment measurement

Built by Tim Jones