Definitions for: Perpendicular


[n] an extremely steep face
[n] 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
[n] a Gothic style in 14th and 15th century England; characterized by vertical lines, a four-centered (Tudor) arch, fan vaulting
[n] a straight line at right angles to another line
[adj] extremely steep; "the great perpendicular face of the cliff"
[adj] 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"
[adj] intersecting at or forming right angles; "the axes are perpendicular to each other"



Webster (1913) Definition: Per`pen*dic"u*lar, a. [L. perpendicularis,
perpendicularius: cf. F. perpendiculaire. See Perpendicle,
Pension.]
1. 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.

2. (Geom.) At right angles to a given line or surface; as,
the line ad is perpendicular to the line bc.

Perpendicular style (Arch.), a name given to the latest
variety of English Gothic architecture, which prevailed
from the close of the 14th century to the early part of
the 16th; -- probably so called from the vertical style of
its window mullions.


Per`pen*dic"u*lar, n.
1. A line at right angles to the plane of the horizon; a
vertical line or direction.

2. (Geom.) A line or plane falling at right angles on another
line or surface, or making equal angles with it on each
side.

Synonyms: English-Gothic, English-Gothic architecture, normal, orthogonal, perpendicular style, plumb, plumb line, rectangular, right, steep, unsloped, upended, upright, vertical

Antonyms: horizontal, inclined, oblique, parallel

See Also: cord, face, Gothic, Gothic architecture, lead line, plumb, plumb bob, plumb rule, plummet, sounding line, straight, straight line, Tudor architecture

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