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Perpetual vs Perpendicular - What's the difference?

perpetual | perpendicular |

As adjectives the difference between perpetual and perpendicular

is that perpetual is lasting forever, or for an indefinitely long time while perpendicular is (architecture) of a style of english gothic architecture from the fourteenth and fifteenth centuries.

perpetual

English

Alternative forms

* perpetuall (obsolete)

Adjective

(-)
  • Lasting forever, or for an indefinitely long time
  • Set up to be in effect or have tenure for an unlimited duration
  • Continuing uninterrupted
  • Flowering throughout the growing season
  • * By means of artificial hybridization, practised for a series of years, he has succeeded in producing a race of carnations which are perpetual bloomers.
  • * The hybrid perpetual roses as a rule require to be pruned to within 4 to 6 inches of the ground.
  • Derived terms

    * perpetual motion

    References

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    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.