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

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..
Orthognathous :: Orthognathous (a.) Having the front of the head, or the skull, nearly perpendicular, not retreating backwards above the jaws; -- opposed to prognathous. See Gnathic index, under Gnathic..
Table :: Table (n.) A plane surface, supposed to be transparent and perpendicular to the horizon; -- called also perspective plane..
Lemniscate :: Lemniscate (n.) A curve in the form of the figure 8, with both parts symmetrical, generated by the point in which a tangent to an equilateral hyperbola meets the perpendicular on it drawn from the center..
Column :: Column (n.) A perpendicular line of figures.
Rake :: Rake (v. i.) To incline from a perpendicular direction; as, a mast rakes aft..
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..
Cross :: Cross (n.) An instrument for laying of offsets perpendicular to the main course.
Upright :: Upright (a.) In an erect position or posture; perpendicular; vertical, or nearly vertical; pointing upward; as, an upright tree..
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..
Perpendicularly :: Perpendicularly (adv.) In a perpendicular manner; vertically.
Normal :: Normal (a.) According to a square or rule; perpendicular; forming a right angle. Specifically: Of or pertaining to a normal.
Tail :: Tail (n.) The part of a note which runs perpendicularly upward or downward from the head; the stem.
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..
Palewise :: Palewise (adv.) In the manner of a pale or pales; by perpendicular lines or divisions; as, to divide an escutcheon palewise..
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.
Drop :: Drop (v. i.) To be deep in extent; to descend perpendicularly; as, her main topsail drops seventeen yards..
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..
Cross-garnet :: Cross-garnet (n.) A hinge having one strap perpendicular and the other strap horizontal giving it the form of an Egyptian or T cross.
Reclining :: Reclining (a.) Bending or curving gradually back from the perpendicular.
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