perpendicular definition, meaning - what is perpendicular in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online

Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “perpendicular”

See all translations

perpendicular

adjective uk   /ˌpɜː.pənˈdɪk.jə.lər/  us   /ˌpɝː.pənˈdɪk.juː.lɚ/
formal at an angle of 90° to a horizontal line or surface: We scrambled up the nearly perpendicular side of the mountain. specialized mathematics at an angle of 90° to another line or surface: The wheel rotates about an axis which is perpendicular to the plane.
perpendicularly
adverb uk   us   /-li/ formal or specialized

perpendicular

noun [C] uk   /ˌpɜː.pənˈdɪk.jʊ.lər/  us   /ˌpɝː.pənˈdɪk.juː.lɚ/ specialized
a perpendicular line: Draw a perpendicular from the vertex of the triangle to its base.the perpendicular a perpendicular position or direction: The wall was leaning at an angle of ten degrees to the perpendicular.
(Definition of perpendicular from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of perpendicular?
Add Cambridge dictionaries to your browser to your website

Definitions of “perpendicular” in other dictionaries

Word of the Day

airwaves

the radio waves used for broadcasting radio and television programmes, or, more generally, radio or television broadcasting time

Word of the Day

They sometimes go here and they never go there: using adverbs of frequency

by Liz Walter,
April 29, 2015
Sometimes, always, often, never: these are some of the most common words in English.  Unfortunately, they are also some of the words that cause the most problems for students. Many of my students put them in the wrong place, often because that’s where they go in their own languages. They say things

Read More 

e-juice noun

April 27, 2015
the liquid content in an e-cigarette, which includes nicotine and may be flavoured in various ways Contestants…suck on a modified vaper until they’ve filled their chest cavity with enough vaporised nicotine “e-juice” to shoot out a belch of white smoke upwards of 4ft long.

Read More