26984 words

perpendicular

6 definitions • 6 examples
1
at an angle of 90° to a horizontal line or surface:

Examples:

We scrambled up the nearly perpendicular side of the mountain.
2
at an angle of 90° to another line or surface:

Examples:

The wheel rotates around an axis that is perpendicular to the plane.
3
a perpendicular line:

Examples:

Draw a perpendicular from the vertex of the triangle to its base.
4
a perpendicular position or direction:

Examples:

The wall was leaning at an angle of ten degrees to the perpendicular.
5
at an angle of 90° to another line or surface:

Examples:

Two perpendicular lines form a right angle.
6
Perpendicular is also standing or rising straight up:

Examples:

The cliff was nearly perpendicular and impossible to climb.

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