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Right angle   /raɪt ˈæŋgəl/   Listen
noun
Angle  n.  
1.
The inclosed space near the point where two lines meet; a corner; a nook. "Into the utmost angle of the world." "To search the tenderest angles of the heart."
2.
(Geom.)
(a)
The figure made by. two lines which meet.
(b)
The difference of direction of two lines. In the lines meet, the point of meeting is the vertex of the angle.
3.
A projecting or sharp corner; an angular fragment. "Though but an angle reached him of the stone."
4.
(Astrol.) A name given to four of the twelve astrological "houses." (Obs.)
5.
A fishhook; tackle for catching fish, consisting of a line, hook, and bait, with or without a rod. "Give me mine angle: we 'll to the river there." "A fisher next his trembling angle bears."
Acute angle, one less than a right angle, or less than 90°.
Adjacent angles or Contiguous angles, such as have one leg common to both angles.
Alternate angles. See Alternate.
Angle bar.
(a)
(Carp.) An upright bar at the angle where two faces of a polygonal or bay window meet.
(b)
(Mach.) Same as Angle iron.
Angle bead (Arch.), a bead worked on or fixed to the angle of any architectural work, esp. for protecting an angle of a wall.
Angle brace, Angle tie (Carp.), a brace across an interior angle of a wooden frame, forming the hypothenuse and securing the two side pieces together.
Angle iron (Mach.), a rolled bar or plate of iron having one or more angles, used for forming the corners, or connecting or sustaining the sides of an iron structure to which it is riveted.
Angle leaf (Arch.), a detail in the form of a leaf, more or less conventionalized, used to decorate and sometimes to strengthen an angle.
Angle meter, an instrument for measuring angles, esp. for ascertaining the dip of strata.
Angle shaft (Arch.), an enriched angle bead, often having a capital or base, or both.
Curvilineal angle, one formed by two curved lines.
External angles, angles formed by the sides of any right-lined figure, when the sides are produced or lengthened.
Facial angle. See under Facial.
Internal angles, those which are within any right-lined figure.
Mixtilineal angle, one formed by a right line with a curved line.
Oblique angle, one acute or obtuse, in opposition to a right angle.
Obtuse angle, one greater than a right angle, or more than 90°.
Optic angle. See under Optic.
Rectilineal angle or Right-lined angle, one formed by two right lines.
Right angle, one formed by a right line falling on another perpendicularly, or an angle of 90° (measured by a quarter circle).
Solid angle, the figure formed by the meeting of three or more plane angles at one point.
Spherical angle, one made by the meeting of two arcs of great circles, which mutually cut one another on the surface of a globe or sphere.
Visual angle, the angle formed by two rays of light, or two straight lines drawn from the extreme points of an object to the center of the eye.
For Angles of commutation, Angles of draught, Angles of incidence, Angles of reflection, Angles of refraction, Angles of position, Angles of repose, Angles of fraction, see Commutation, Draught, Incidence, Reflection, Refraction, etc.


adjective
Right  adj.  
1.
Straight; direct; not crooked; as, a right line. "Right as any line."
2.
Upright; erect from a base; having an upright axis; not oblique; as, right ascension; a right pyramid or cone.
3.
Conformed to the constitution of man and the will of God, or to justice and equity; not deviating from the true and just; according with truth and duty; just; true. "That which is conformable to the Supreme Rule is absolutely right, and is called right simply without relation to a special end."
4.
Fit; suitable; proper; correct; becoming; as, the right man in the right place; the right way from London to Oxford.
5.
Characterized by reality or genuineness; real; actual; not spurious. "His right wife." "In this battle,... the Britons never more plainly manifested themselves to be right barbarians."
6.
According with truth; passing a true judgment; conforming to fact or intent; not mistaken or wrong; not erroneous; correct; as, this is the right faith. "You are right, Justice, and you weigh this well." "If there be no prospect beyond the grave, the inference is... right, "Let us eat and drink, for to-morrow we die.""
7.
Most favorable or convenient; fortunate. "The lady has been disappointed on the right side."
8.
Of or pertaining to that side of the body in man on which the muscular action is usually stronger than on the other side; opposed to left when used in reference to a part of the body; as, the right side, hand, arm. Also applied to the corresponding side of the lower animals. "Became the sovereign's favorite, his right hand." Note: In designating the banks of a river, right and left are used always with reference to the position of one who is facing in the direction of the current's flow.
9.
Well placed, disposed, or adjusted; orderly; well regulated; correctly done.
10.
Designed to be placed or worn outward; as, the right side of a piece of cloth.
At right angles, so as to form a right angle or right angles, as when one line crosses another perpendicularly.
Right and left, in both or all directions. (Colloq.)
Right and left coupling (Pipe fitting), a coupling the opposite ends of which are tapped for a right-handed screw and a left-handed screw, respectivelly.
Right angle.
(a)
The angle formed by one line meeting another perpendicularly, as the angles ABD, DBC.
(b)
(Spherics) A spherical angle included between the axes of two great circles whose planes are perpendicular to each other.
Right ascension. See under Ascension.
Right Center (Politics), those members belonging to the Center in a legislative assembly who have sympathies with the Right on political questions. See Center, n., 5.
Right cone, Right cylinder, Right prism, Right pyramid (Geom.), a cone, cylinder, prism, or pyramid, the axis of which is perpendicular to the base.
Right line. See under Line.
Right sailing (Naut.), sailing on one of the four cardinal points, so as to alter a ship's latitude or its longitude, but not both.
Right sphere (Astron. & Geol.), a sphere in such a position that the equator cuts the horizon at right angles; in spherical projections, that position of the sphere in which the primitive plane coincides with the plane of the equator. Note: Right is used elliptically for it is right, what you say is right, true. ""Right," cries his lordship."
Synonyms: Straight; direct; perpendicular; upright; lawful; rightful; true; correct; just; equitable; proper; suitable; becoming.





Collaborative International Dictionary of English 0.48


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"Right angle" Quotes from Famous Books



... victory one does not understand the horror of war. It is only in the cold chill of defeat that it is brought home to you. I remember an old Grenadier of the Guard lying at the side of the road with his broken leg doubled at a right angle. "Comrades, comrades, keep off my leg!" he cried, but they tripped and stumbled over him all the same. In front of me rode a Lancer officer without his coat. His arm had just been taken off in the ambulance. The bandages had fallen. It was horrible. Two gunners tried to drive ...
— The Adventures of Gerard • Arthur Conan Doyle
... the passion which is consuming his pocketbook, and then Imogene turns languidly from a right angle triangle into more of a straight front, and hands Gonsalvo a ...
— Get Next! • Hugh McHugh
... residence, Elm Street, begins a gently winding westerly ascent to become an open high-road from one to another of the several farming and manufacturing villages that use the water-power of Mill River. But while it is still a street there runs from it southerly at a right angle a straight bit of avenue some three hundred yards long—an exceptional length of unbent street for Northampton. This short avenue ends at another, still shorter, lying square across its foot within some seventy yards of that suddenly falling ...
— The Amateur Garden • George W. Cable
... than anything else—I don't know much time he had spent in making it. First, he made it hooked and then changed it to retrousse, then again back to hooked, which he thought suited his style best. He commenced it when the first scene was being acted, and had just got it at the right angle when it was time for him to go on the stage. The result of his afternoon's labors must have been most gratifying, for ...
— In the Courts of Memory 1858-1875. • L. de Hegermann-Lindencrone
... hints will help the advance party to layout the camp in a systematic and scientific manner. To find the right angle of the camp square, drive a peg at A, another 3 feet distant at B; attach a 5-foot cord from the peg at B, and a 4 foot cord from the peg at A. The point at which the two cords meet at C, where another peg may be driven in, will be the line at ...
— Camping For Boys • H.W. Gibson


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