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

Stem :: Stem (n.) The short perpendicular line added to the body of a note; the tail of a crotchet, quaver, semiquaver, etc..
Bowline :: Bowline (n.) A rope fastened near the middle of the leech or perpendicular edge of the square sails, by subordinate ropes, called bridles, and used to keep the weather edge of the sail tight forward, when the ship is closehauled..
Breve :: Breve (n.) A note or character of time, equivalent to two semibreves or four minims. When dotted, it is equal to three semibreves. It was formerly of a square figure (as thus: / ), but is now made oval, with a line perpendicular to the staff on each of its sides; -- formerly much used for choir service..
Upright :: Upright (a.) In an erect position or posture; perpendicular; vertical, or nearly vertical; pointing upward; as, an upright tree..
Mural :: Mural (a.) Resembling a wall; perpendicular or steep; as, a mural precipice..
Plumb :: Plumb (a.) Perpendicular; vertical; conforming the direction of a line attached to a plumb; as, the wall is plumb..
Plumb :: Plumb (adv.) In a plumb direction; perpendicularly.
Orthogonally :: Orthogonally (adv.) Perpendicularly; at right angles; as, a curve cuts a set of curves orthogonally..
Curtate :: Curtate (a.) Shortened or reduced; -- said of the distance of a planet from the sun or earth, as measured in the plane of the ecliptic, or the distance from the sun or earth to that point where a perpendicular, let fall from the planet upon the plane of the ecliptic, meets the ecliptic..
Tail :: Tail (n.) The part of a note which runs perpendicularly upward or downward from the head; the stem.
Erect :: Erect (v. t.) To raise and place in an upright or perpendicular position; to set upright; to raise; as, to erect a pole, a flagstaff, a monument, etc..
Canton :: Canton (n.) A division of a shield occupying one third part of the chief, usually on the dexter side, formed by a perpendicular line from the top of the shield, meeting a horizontal line from the side..
Wrench :: Wrench (v. t.) The system made up of a force and a couple of forces in a plane perpendicular to that force. Any number of forces acting at any points upon a rigid body may be compounded so as to be equivalent to a wrench.
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.
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..
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..
Subsulphate :: Substyle (n.) A right line on which the style, or gnomon, of a dial is erected; being the common section of the face of the dial and a plane perpendicular to it passing through the style..
Plumb :: Plumb (v. t.) To adjust by a plumb line; to cause to be perpendicular; as, to plumb a building or a wall..
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.)..
Oblique :: Oblique (a.) Not erect or perpendicular; neither parallel to, nor at right angles from, the base; slanting; inclined..
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