Definition of perpendicular

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

Lern More About Perpendicular

Gnomon :: Gnomon (n.) A style or column erected perpendicularly to the horizon, formerly used in astronomocal observations. Its principal use was to find the altitude of the sun by measuring the length of its shadow..
Peritropal :: Peritropal (a.) Having the axis of the seed perpendicular to the axis of the pericarp to which it is attached.
Normal :: Normal (a.) A straight line or plane drawn from any point of a curve or surface so as to be perpendicular to the curve or surface at that point.
Cathetus :: Cathetus (n.) One line or radius falling perpendicularly on another; as, the catheti of a right-angled triangle, that is, the two sides that include the right angle..
Reclining :: Reclining (a.) Bending or curving gradually back from the perpendicular.
Underlayer :: Underlayer (n.) A perpendicular shaft sunk to cut the lode at any required depth.
Column :: Column (n.) A perpendicular line of figures.
Palewise :: Palewise (adv.) In the manner of a pale or pales; by perpendicular lines or divisions; as, to divide an escutcheon palewise..
Palet :: Palet (n.) A perpendicular band upon an escutcheon, one half the breadth of the pale..
Inclined :: Inclined (p. p. & a.) Bent out of a perpendicular position, or into a curve with the convex side uppermost..
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..
Vertical :: Vertical (a.) Perpendicular to the plane of the horizon; upright; plumb; as, a vertical line..
Slant :: Slant (v. i.) Inclined from a direct line, whether horizontal or perpendicular; sloping; oblique..
Elevation :: Elevation (n.) A geometrical projection of a building, or other object, on a plane perpendicular to the horizon; orthographic projection on a vertical plane; -- called by the ancients the orthography..
Plumb :: Plumb (v. t.) To adjust by a plumb line; to cause to be perpendicular; as, to plumb a building or a wall..
Kathetal :: Kathetal (a.) Making a right angle; perpendicular, as two lines or two sides of a triangle, which include a right angle..
Wall-sided :: Wall-sided (a.) Having sides nearly perpendicular; -- said of certain vessels to distinguish them from those having flaring sides, or sides tumbling home (see under Tumble, v. i.)..
Paly :: Paly (a.) Divided into four or more equal parts by perpendicular lines, and of two different tinctures disposed alternately..
Vane :: Vane (n.) A contrivance attached to some elevated object for the purpose of showing which way the wind blows; a weathercock. It is usually a plate or strip of metal, or slip of wood, often cut into some fanciful form, and placed upon a perpendicular axis around which it moves freely..
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..
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