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perpendicular
WORDNET DICTIONARY
Noun perpendicular has 4 senses
- perpendicular(n = noun.shape) Array - a straight line at right angles to another line; Array is a kind of straight line
- perpendicular(n = noun.cognition) english-gothic, english-gothic architecture, perpendicular style - a Gothic style in 14th and 15th century England; characterized by vertical lines and a four-centered (Tudor) arch and fan vaulting; Array is a kind of gothic, gothic architecture
- perpendicular(n = noun.artifact) plumb line - 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; Array is a kind of cord
- perpendicular(n = noun.artifact) Array - an extremely steep face; Array is a kind of face
Derived form adjective perpendicular1
has particulars: tudor architecture
has particulars: lead line, sounding line, plumb rule
has parts: plumb, plumb bob, plummet
Derived form adjective perpendicular3
Adjective perpendicular has 3 senses
- perpendicular(a = adj.all) Array - intersecting at or forming right angles; "the axes are perpendicular to each other" Antonyms: oblique, parallel
- perpendicular(a = adj.all) vertical - 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" Derived forms noun perpendicularity2, noun perpendicularity1
- perpendicular(s = adj.all) Array - extremely steep; "the great perpendicular face of the cliff" Derived form noun perpendicular4
Derived forms noun perpendicular1, noun perpendicularity2, noun perpendicularity1
CIDE DICTIONARY
perpendicular, a. [L. perpendicularis, perpendicularius: cf. F. perpendiculaire. See Perpendicle, Pension.].
- 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]
- At right angles to a given line or surface; as, the line ad is perpendicular to the line bc. [1913 Webster]
perpendicular, n.
- A line at right angles to the plane of the horizon; a vertical line or direction. [1913 Webster]
- A line or plane falling at right angles on another line or surface, or making equal angles with it on each side. [1913 Webster]
OXFORD DICTIONARY
perpendicular, adj. & n.
--adj.
1 a at right angles to the plane of the horizon. b (usu. foll. by to) Geom. at right angles (to a given line, plane, or surface).
2 upright, vertical.
3 (of a slope etc.) very steep.
4 (Perpendicular) Archit. of the third stage of English Gothic (15th-16th c.) with vertical tracery in large windows.
5 joc. in a standing position.
--n.
1 a perpendicular line.
2 a plumb-rule or a similar instrument.
3 (prec. by the) a perpendicular line or direction (is out of the perpendicular).
--adj.
1 a at right angles to the plane of the horizon. b (usu. foll. by to) Geom. at right angles (to a given line, plane, or surface).
2 upright, vertical.
3 (of a slope etc.) very steep.
4 (Perpendicular) Archit. of the third stage of English Gothic (15th-16th c.) with vertical tracery in large windows.
5 joc. in a standing position.
--n.
1 a perpendicular line.
2 a plumb-rule or a similar instrument.
3 (prec. by the) a perpendicular line or direction (is out of the perpendicular).
Derivative
perpendicularity n. perpendicularly adv.
Etymology
ME f. L perpendicularis f. perpendiculum plumb-line f. PER- + pendere hang
THESAURUS
perpendicular
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 circleROGET THESAURUS
perpendicular
Verticality
N verticality, erectness, perpendicularity, right angle, normal, azimuth circle, wall, precipice, cliff, elevation, erection, square, plumb line, plummet, vertical, upright, erect, perpendicular, plumb, normal, straight, bolt, upright, rampant, standing up, rectangular, orthogonal, vertically, up, on end, up on end, right on end, a plomb, endwise, one one's legs, at right angles.Perpendicularity
N perpendicularity, orthogonality, verticality, orthogonal, perpendicular, rectangular, uncorrelated.
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