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Perpendicular vs Undefined - What's the difference?

perpendicular | undefined |

As adjectives the difference between perpendicular and undefined

is that perpendicular is (architecture) of a style of english gothic architecture from the fourteenth and fifteenth centuries while undefined is lacking a definition or value.

perpendicular

English

(wikipedia perpendicular)

Adjective

(en adjective)
  • (geometry) At or forming a right angle (to).
  • * {{quote-magazine, date=2012-03
    • , author=(Henry Petroski) , title=Opening Doors , volume=100, issue=2, page=112-3 , magazine= citation , passage=A doorknob of whatever roundish shape is effectively a continuum of levers, with the axis of the latching mechanism—known as the spindle—being the fulcrum about which the turning takes place. Applying a force tangential to the knob is essentially equivalent to applying one perpendicular to a radial line defining the lever.}}
    In most houses, the walls are perpendicular to the floor .

    Synonyms

    * evendown * normal * orthogonal

    Noun

    (en noun)
  • (geometry) A line or plane that is perpendicular to another.
  • A device such as a plumb line that is used in making or marking a perpendicular line.

    • undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined