Perpendicular

usgb/ˌpɜːrpənˈdɪkjələr/
adjective

At an angle of 90 degrees to a given line, surface or other object.

The wall is perpendicular to the floor.
Visual representation of "perpendicular" - At an angle of 90 degrees to a given line, surface or other object.

Often appears as...

  • perpendicular lines
  • perpendicular angle
Definition 1 of 4
Visual representation of "perpendicular"
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Visual Example

Picture a corner of a room where two walls meet the floor for a clear mental image of perpendicular.

Illustration for Visual Example
The bookshelf is perpendicular to the floor, forming a perfect corner.
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Common Use

In everyday language, 'perpendicular' suggests something is very straight or exactly upright.

Illustration for Common Use
Make sure the lamp post is perpendicular; it shouldn't lean at all.
Visual representation of the word "Perpendicular"

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