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1. Dictionary

   perpendicular

   /ˌpəːp(ə)nˈdɪkjʊlə/

   adjective

   • 1. at an angle of 90° to a given line, plane, or surface or to the ground: "dormers and gables that extend perpendicular to the main roofline" Similar at right anglesat 90 degreessquare
   • ▪ at an angle of 90° to the ground; vertical: "the perpendicular cliff" Similar uprightverticalerectplumbstraight (up and down)on endstandingupendedOpposite horizontal
   • ▪ so steep as to be almost vertical: "houses seem to cling by blind faith to the perpendicular hillside" Similar steepsheerprecipitousabruptbluffvertiginousrare:scarpedacclivitousdeclivitous
   • 2. denoting the latest stage of English Gothic church architecture, prevalent from the late 14th to mid 16th centuries and characterized by broad arches, elaborate fan vaulting, and large windows with vertical tracery: "the handsome Perpendicular church of St Andrew"

   noun

   • 1. a straight line at an angle of 90° to a given line, plane, or surface: "at each division draw a perpendicular representing the surface line"
   • ▪ perpendicular position or direction: "the wall declines from the perpendicular a little inward"

   Word Origin late Middle English (as an adverb meaning ‘at right angles’): via Old French from Latin perpendicularis, from perpendiculum ‘plumb line’, from per- ‘through’ + pendere ‘to hang’.

   Derivatives

   • 1. perpendicularity noun
   • 2. perpendicularly adverb

   Scrabble Points: 20

   • P

     3

   • E

     1

   • R

     1

   • P

     3

   • E

     1

   • N

     1

   • D

     2

   • I

     1

   • C

     3

   • U

     1

   • L

     1

   • A

     1

   • R

     1

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   More definitions, origin and scrabble points

2. dictionary.cambridge.org › dictionary › englishPERPENDICULAR | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

   • Cached

   PERPENDICULAR definition: 1. at an angle of 90° to a horizontal line or surface: 2. at an angle of 90° to another line or…. Learn more.

3. www.merriam-webster.com › dictionary › perpendicularPerpendicular Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › perpendicular

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   The meaning of PERPENDICULAR is standing at right angles to the plane of the horizon : exactly upright. How to use perpendicular in a sentence. Synonym Discussion of Perpendicular.

4. dictionary.cambridge.org › us › dictionaryPERPENDICULAR definition | Cambridge English Dictionary

   dictionary.cambridge.org › us › dictionary

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   PERPENDICULAR meaning: 1. at an angle of 90° to a horizontal line or surface: 2. at an angle of 90° to another line or…. Learn more.

5. www.dictionary.com › browse › perpendicularPERPENDICULAR Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › perpendicular

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   noun. a perpendicular line or plane. an instrument for indicating the vertical line from any point. an upright position. a sharply pitched or precipitously steep mountain face. moral virtue or uprightness; rectitude. Nautical. either of two lines perpendicular to the keel line, base line, or designed water line of a vessel. perpendicular.

6. www.vocabulary.com › dictionary › perpendicularPerpendicular - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com › dictionary › perpendicular

   Two lines that form a T are perpendicular to each other. They meet at a right angle. A person who is standing is perpendicular to the earth. Use perpendicular to describe lines, angles, and direction. In geometry a perpendicular angle is 90 degrees, a perfect L.

7. www.thefreedictionary.com › perpendicularPerpendicular - definition of perpendicular by The Free...

   www.thefreedictionary.com › perpendicular

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   1. Mathematics A line or plane perpendicular to a given line or plane. 2. A perpendicular position. 3. A device, such as a plumb line, that is used in marking the vertical from a given point. 4. A vertical or nearly vertical line or plane.

8. www.collinsdictionary.com › dictionary › englishPERPENDICULAR definition and meaning | Collins English Dictionary

   www.collinsdictionary.com › dictionary › english

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   A perpendicular line or surface points straight up, rather than being sloping or horizontal. We made two slits for the eyes and a perpendicular line for the nose. The sides of the loch are almost perpendicular.

9. www.oxfordlearnersdictionaries.com › definition › englishperpendicular adjective - Definition, pictures, pronunciation and...

   www.oxfordlearnersdictionaries.com › definition › english

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   perpendicular (to something) forming an angle of 90° with another line or surface; vertical and going straight up. Are the lines perpendicular to each other? The staircase was almost perpendicular (= very steep).

10. dictionary.cambridge.org › learner-english › perpendicularPERPENDICULAR | meaning - Cambridge Learner's Dictionary

    dictionary.cambridge.org › learner-english › perpendicular

    • Cached

    PERPENDICULAR definition: at an angle of 90 degrees to something. Learn more.

11. www.collinsdictionary.com › english-word › perpendicularPERPENDICULAR - All you need to know about it | Collins English...

    www.collinsdictionary.com › english-word › perpendicular

    • Cached

    1. A perpendicular line or surface points straight up, rather than being sloping or horizontal. [...] 2. If one thing is perpendicular to another, it is at an angle of 90 degrees to it. [formal] [...] More. Pronunciations of 'perpendicular' American English: pɜrpəndɪkyələr British English: pɜːʳpəndɪkjʊləʳ. More. Synonyms of 'perpendicular'