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
  2. a straight line at right angles to another line
  3. A line at right angles to the plane of the horizon; a vertical line or direction.
  4. A line or plane falling at right angles on another line or surface, or making equal angles with it on each side.
  5. An upright line; a line at right angles with another.
  6. Perpendicularity.
  7. A perpendicular line or plane.
  8. A perpendicular line.
  9. A perpendicular line. See Perpend.
  10. extremely steep; " the great perpendicular face of the cliff"
  11. 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"
  12. a Gothic style in 14th and 15th century England; characterized by vertical lines and a four- centered ( Tudor) arch and fan vaulting
  13. 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.
  14. At right angles to a given line or surface; as, the line ad is perpendicular to the line bc.
  15. At right angles to a line or surface; upright.
  16. Exactly upright: extending in a straight line toward the centre of the earth: ( geom.) at right angles to a given line or surface.
  17. Exactly upright; meeting at right angles.
  18. Upright; vertical; meeting a given line at right angles.
  19. 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.
  20. Hanging or extending in a right line from any point; at right angles to any plane or line; vertical.
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