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Adjacent vs Perpendicular - What's the difference?

adjacent | perpendicular |

As adjectives the difference between adjacent and perpendicular

is that adjacent is lying next to, close, or contiguous; neighboring; bordering on while perpendicular is (architecture) of a style of english gothic architecture from the fourteenth and fifteenth centuries.

As a noun adjacent

is something that lies next to something else, especially the side of a right triangle that is neither the hypotenuse nor the opposite.

As a preposition adjacent

is (us) next to; adjacent to; beside.

adjacent

English

Adjective

(-)
  • Lying next to, close, or contiguous; neighboring; bordering on.
  • Because the conference room is filled, we will have our meeting in the adjacent room.
  • Just before, after, or facing.
  • The picture is on the adjacent page .

    Synonyms

    * (lying next to) abutting, adjoining, contiguous, juxtaposed, near

    Antonyms

    * (lying next to) apart, distant, nonadjacent

    Noun

    (en noun)
  • Something that lies next to something else, especially the side of a right triangle that is neither the hypotenuse nor the opposite.
  • * 1980 , Faber Birren, The textile colorist
  • Again, the key colors have twice the area of the adjacents .
  • * 2011 , Mark Zegarelli, ACT Math For Dummies (page 194)
  • Picking out the opposite, the adjacent , and the hypotenuse

    Preposition

    (English prepositions)
  • (US) Next to; adjacent to; beside.
  • ----

    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.