What is the meaning of perpendicular Meaning and Definition
What is the meaning of perpendicular
Pronunciation
/ˈpərpəndɪkjuːl/
Part of Speech
Noun or adjective
Definition
A relationship between two lines, surfaces, or planes that intersect at a right angle (90 degrees).
Examples
- The building’s walls are constructed to be perpendicular to each other.
- In geometry, two lines that are perpendicular will never intersect.
Etymology
The word perpendicular comes from the Old French word “perpendiculer”, which is derived from the Latin word “perpendiculare”, meaning “to hang or be suspended.”
Usage Notes
Perpendicular is often used in geometry and engineering to describe the angle between two lines or surfaces. It can also be used to describe something that is at a right angle to another object or surface.
Cultural References
In the TV show “Friends”, the character Joey Tribbiani exclaims “What is the meaning of perpendicular?” in a memorable episode.
Idiomatic Expressions or Phrases
- “At right angles” (meaning perpendicular)
- “Perpendicular to” (meaning at a right angle to)
Related Words or Phrases
- Orthogonal
- Right angle
- Diagonal
Collocations
- Perpendicular to the floor
- Perpendicular to the wall
- At a right angle to each other
Frequency of Use
Perpendicular is a relatively common word in technical and academic contexts, particularly in fields such as mathematics, engineering, and architecture.
Common Misspellings
- Perpindicular
- Perpendiculary