'Perpendicular' definitions:
Definition of 'perpendicular'
From: WordNet
adjective
Intersecting at or forming right angles; "the axes are perpendicular to each other" [ant: oblique, parallel]
adjective
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" [syn: vertical, perpendicular] [ant: horizontal, inclined]
adjective
Extremely steep; "the great perpendicular face of the cliff"
noun
A straight line at right angles to another line
noun
A Gothic style in 14th and 15th century England; characterized by vertical lines and a four-centered (Tudor) arch and fan vaulting [syn: perpendicular, perpendicular style, English-Gothic, English-Gothic architecture]
noun
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 [syn: plumb line, perpendicular]
noun
An extremely steep face
Definition of 'Perpendicular'
From: GCIDE
- Perpendicular \Per`pen*dic"u*lar\, n.
- 1. A line at right angles to the plane of the horizon; a vertical line or direction. [1913 Webster]
- 2. (Geom.) A line or plane falling at right angles on another line or surface, or making equal angles with it on each side. [1913 Webster]
Definition of 'Perpendicular'
From: GCIDE
- Perpendicular \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. [1913 Webster]
- 2. (Geom.) At right angles to a given line or surface; as, the line ad is perpendicular to the line bc. [1913 Webster]
- 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. [1913 Webster]
Synonyms of 'perpendicular'
From: Moby Thesaurus
- air line,
- axis,
- azimuth circle,
- beeline,
- chord,
- diagonal,
- diameter,
- direct line,
- directrix,
- edge,
- erect,
- great-circle course,
- normal,
- orthodiagonal,
- orthogonal,
- orthometric,
- plumb,
- plunging,
- precipitous,
- radius,
- radius vector,
- rectangular,
- right angle,
- right line,
- right-angle,
- right-angled,
- right-angular,
- secant,
- segment,
- sheer,
- shortcut,
- side,
- stand-up,
- steep,
- straight,
- straight course,
- straight line,
- straight stretch,
- straight-up,
- straight-up-and-down,
- straightaway,
- streamline,
- tangent,
- transversal,
- up-and-down,
- upright,
- vector,
- vertical,
- vertical circle