Meaning of the word perpendicular in English

What does perpendicular mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

perpendicular

US /ˌpɝː.pənˈdɪk.juː.lɚ/
UK /ˌpɝː.pənˈdɪk.juː.lɚ/

Adjective

1.

at an angle of 90° to a horizontal line or surface:

Example:
We scrambled up the almost perpendicular side of the mountain.

Noun

1.

a perpendicular line:

Example:
Draw a perpendicular from the vertex of the triangle to its base.
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