Definition of perpendicular

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

Lern More About Perpendicular

Shear :: Shear (v. t.) A strain, or change of shape, of an elastic body, consisting of an extension in one direction, an equal compression in a perpendicular direction, with an unchanged magnitude in the third direction..
Level :: Level (n.) A line or surface to which, at every point, a vertical or plumb line is perpendicular; a line or surface which is everywhere parallel to the surface of still water; -- this is the true level, and is a curve or surface in which all points are equally distant from the center of the earth, or rather would be so if the earth were an exact sphere..
Zone :: Zone (n.) The portion of the surface of a sphere included between two parallel planes; the portion of a surface of revolution included between two planes perpendicular to the axis.
Flare :: Flare (v. i.) To open or spread outwards; to project beyond the perpendicular; as, the sides of a bowl flare; the bows of a ship flare..
Perpendicular :: Perpendicular (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.
Reclining :: Reclining (a.) Bending or curving gradually back from the perpendicular.
Plumb :: Plumb (v. t.) To adjust by a plumb line; to cause to be perpendicular; as, to plumb a building or a wall..
Underlayer :: Underlayer (n.) A perpendicular shaft sunk to cut the lode at any required depth.
Column :: Column (n.) A perpendicular set of lines, not extending across the page, and separated from other matter by a rule or blank space; as, a column in a newspaper..
Kilting :: Kilting (n.) A perpendicular arrangement of flat, single plaits, each plait being folded so as to cover half the breadth of the preceding one..
Peritropal :: Peritropal (a.) Having the axis of the seed perpendicular to the axis of the pericarp to which it is attached.
Perpendicularity :: Perpendicularity (n.) The quality or state of being perpendicular.
Downright :: Downright (adv.) Straight down; perpendicularly.
Perpendicular :: Perpendicular (n.) A line or plane falling at right angles on another line or surface, or making equal angles with it on each side..
Triglyph :: Triglyph (n.) An ornament in the frieze of the Doric order, repeated at equal intervals. Each triglyph consists of a rectangular tablet, slightly projecting, and divided nearly to the top by two parallel and perpendicular gutters, or channels, called glyphs, into three parts, or spaces, called femora. A half channel, or glyph, is also cut upon each of the perpendicular edges of the tablet. See Illust. of Entablature..
Quarter :: Quarter (n.) One of the divisions of an escutcheon when it is divided into four portions by a horizontal and a perpendicular line meeting in the fess point.
Mural :: Mural (a.) Resembling a wall; perpendicular or steep; as, a mural precipice..
Plumb :: Plumb (adv.) In a plumb direction; perpendicularly.
Peak :: Peak (v. t.) To raise to a position perpendicular, or more nearly so; as, to peak oars, to hold them upright; to peak a gaff or yard, to set it nearer the perpendicular..
Perpendicularly :: Perpendicularly (adv.) In a perpendicular manner; vertically.
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