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

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.
Plumb :: Plumb (v. t.) To adjust by a plumb line; to cause to be perpendicular; as, to plumb a building or a wall..
Depth :: Depth (n.) The quality of being deep; deepness; perpendicular measurement downward from the surface, or horizontal measurement backward from the front; as, the depth of a river; the depth of a body of troops..
Downright :: Downright (adv.) Straight down; perpendicularly.
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..
Problem :: Problem (n.) Anything which is required to be done; as, in geometry, to bisect a line, to draw a perpendicular; or, in algebra, to find an unknown quantity..
Rake :: Rake (n.) the inclination of a mast or funnel, or, in general, of any part of a vessel not perpendicular to the keel..
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.)..
Over :: Over (prep.) Above the perpendicular height or length of, with an idea of measurement; as, the water, or the depth of water, was over his head, over his shoes..
Crotchet :: Crotchet (n.) The arrangement of a body of troops, either forward or rearward, so as to form a line nearly perpendicular to the general line of battle..
Bitts :: Bitts (n. pl.) A frame of two strong timbers fixed perpendicularly in the fore part of a ship, on which to fasten the cables as the ship rides at anchor, or in warping. Other bitts are used for belaying (belaying bitts), for sustaining the windlass (carrick bitts, winch bitts, or windlass bitts), to hold the pawls of the windlass (pawl bitts) etc..
Slant :: Slant (v. i.) Inclined from a direct line, whether horizontal or perpendicular; sloping; oblique..
Perpendicular :: Perpendicular (a.) At right angles to a given line or surface; as, the line ad is perpendicular to the line bc..
Twibil :: Twibil (n.) A kind of mattock, or ax; esp., a tool like a pickax, but having, instead of the points, flat terminations, one of which is parallel to the handle, the other perpendicular to it..
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..
Plumb :: Plumb (adv.) In a plumb direction; perpendicularly.
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..
Drop :: Drop (v. i.) To be deep in extent; to descend perpendicularly; as, her main topsail drops seventeen yards..
Perpendicularity :: Perpendicularity (n.) The quality or state of being perpendicular.
Altitude :: Altitude (n.) The perpendicular distance from the base of a figure to the summit, or to the side parallel to the base; as, the altitude of a triangle, pyramid, parallelogram, frustum, etc..
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