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Definitions of perpendicular

  1. a cord from which a metal weight is suspended pointing directly to the earth's center of gravity; used to determine the vertical from a given point Scrapingweb Dictionary DB
  2. a straight line at right angles to another line Scrapingweb Dictionary DB
  3. A line at right angles to the plane of the horizon; a vertical line or direction. Webster Dictionary DB
  4. A line or plane falling at right angles on another line or surface, or making equal angles with it on each side. Webster Dictionary DB
  5. An upright line; a line at right angles with another. The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919.
  6. Perpendicularity. The Concise Standard Dictionary of the English Language. By James Champlin Fernald. Published 1919.
  7. A perpendicular line or plane. The american dictionary of the english language. By Daniel Lyons. Published 1899.
  8. A perpendicular line. The Concise Standard Dictionary of the English Language. By James Champlin Fernald. Published 1919.
  9. A perpendicular line. See Perpend. Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914.
  10. intersecting at or forming right angles; "the axes are perpendicular to each other" Scrapingweb Dictionary DB
  11. extremely steep; "the great perpendicular face of the cliff" Scrapingweb Dictionary DB
  12. at right angles to the plane of the horizon or a base line; "a vertical camera angle"; "the monument consists of two vertical pillars supporting a horizontal slab"; "measure the perpendicular height" Scrapingweb Dictionary DB
  13. a Gothic style in 14th and 15th century England; characterized by vertical lines and a four-centered (Tudor) arch and fan vaulting Wordnet Dictionary DB
  14. Exactly upright or vertical; pointing to the zenith; at right angles to the plane of the horizon; extending in a right line from any point toward the center of the earth. Webster Dictionary DB
  15. At right angles to a given line or surface; as, the line ad is perpendicular to the line bc. Webster Dictionary DB
  16. At right angles to a line or surface; upright. The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919.
  17. Exactly upright: extending in a straight line toward the centre of the earth: (geom.) at right angles to a given line or surface. The american dictionary of the english language. By Daniel Lyons. Published 1899.
  18. Exactly upright; meeting at right angles. The Clarendon dictionary. By William Hand Browne, Samuel Stehman Haldeman. Published 1894.
  19. Upright; vertical; meeting a given line at right angles. The Concise Standard Dictionary of the English Language. By James Champlin Fernald. Published 1919.
  20. Extending in a straight line to the centre of the earth, or at right angles to the horizon; at right angles to a given line or surface. Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914.
  21. Hanging or extending in a right line from any point; at right angles to any plane or line; vertical. Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.

Usage examples for perpendicular

  1. This vallon is short, the walls nearly perpendicular and in some parts scarcely 2 ft. – The South of France--East Half by Charles Bertram Black
  2. Hooker to return after advancing some miles on this general position, which was about perpendicular to the plank road leading to Fredericksburg, I am not able to say, because, being only a division commander, the facts were not stated to me. – The Campaign of Chancellorsville by Theodore A. Dodge
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