
Definition of Perpendicular
1. Adjective. Intersecting at or forming right angles. "The axes are perpendicular to each other"
Antonyms: Oblique, Parallel
Derivative terms: Perpendicularity, Perpendicularity
2. Noun. A straight line at right angles to another line.
3. Adjective. At right angles to the plane of the horizon or a base line. "Measure the perpendicular height"
Attributes: Orientation
Also: Steep, Straight
Similar to: Plumb, Upended, Unsloped, Upright
Derivative terms: Perpendicularity, Perpendicularity, Vertical, Vertical, Verticality, Verticalness
Antonyms: Horizontal, Inclined
4. Noun. A Gothic style in 14th and 15th century England; characterized by vertical lines and a fourcentered (Tudor) arch and fan vaulting.
Generic synonyms: Gothic, Gothic Architecture
Specialized synonyms: Tudor Architecture
5. Adjective. Extremely steep. "The great perpendicular face of the cliff"
6. 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.
Generic synonyms: Cord
Specialized synonyms: Lead Line, Sounding Line, Plumb Rule
Terms within: Plumb, Plumb Bob, Plummet
7. Noun. An extremely steep face.
Definition of Perpendicular
1. a. 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. n. A line at right angles to the plane of the horizon; a vertical line or direction.
Definition of Perpendicular
1. Adjective. (architecture) Of a style of English Gothic architecture from the fourteenth and fifteenth centuries. ¹
2. Adjective. (geometry) At or forming a right angle (to). ¹
3. Noun. (geometry) A line or plane that is perpendicular to another. ¹
4. Noun. A device such as a plumb line that is used in making or marking a perpendicular line. ¹
¹ Source: wiktionary.com
Definition of Perpendicular
1. [n S]
Medical Definition of Perpendicular
1.
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.
Lexicographical Neighbors of Perpendicular
Literary usage of Perpendicular
Below you will find example usage of this term as found in modern and/or classical literature:
1. The Thirteen Books of Euclid's Elements by Euclid, Johan Ludvig Heiberg (1908)
"From any point C in AB draw CD perpendicular to the plane MN. Through AB and CD
draw a plane AE. Then the plane AE is perpendicular to the plane MN. [xi. ..."
2. A Treatise on Conic Sections: Containing an Account of Some of the Most by George Salmon (1879)
"To find the length of the perpendicular from any point x'y' on the line ...
From the given point Q draw QR parallel to the given line, and QS perpendicular. ..."
3. Projective Geometry by Oswald Veblen, John Wesley Young (1918)
"A plane perpendicular to itself, ie a plane meeting TT, in a tangent to the circle
at infinity, is called a minimal or isotropic plane. ..."
4. The Encyclopedia Americana: A Library of Universal Knowledge (1918)
"When a number of masses all move in one plane perpendicular to the axis of rotation
as FIG. 1. <D2/rm, in Fig. 1 the criterion for a balanced system of ..."
5. Encyclopaedia Britannica: A Standard Work of Reference in Art, Literature (1907)
"Supposing the planes n and irj to be in their positions in space perpendicular
to each other, we take a section of the whole figure by a plane perpendicular ..."
6. Mathematical and Physical Papers by Sir George Gabriel Stokes, Baron John William Strutt Rayleigh (1901)
"Solution of the equations in the case of an infinite cylinder oscillating in an
unlimited mass of fluid, in a direction perpendicular to its axis. 24. ..."