3 definitions found


Rectilineal \Rec'ti*lin"e*al\ (-l?n"?*al), Rectilinear \Rec'ti*lin"e*ar\ (-l?n"?*?r), adjective [Recti- + lineal, linear.] Straight; consisting of a straight line or lines; bounded by straight lines; as, a rectineal angle; a rectilinear figure or course. -- {Rec'ti*lin"e*al*ly}, adverb -- {Rec'ti*lin"e*ar*ly}, adverb


Angle \An"gle\ ([a^][ng]"g'l), noun [F. angle, L. angulus angle, corner; akin to uncus hook, Gr. 'agky'los bent, crooked, angular, 'a'gkos a bend or hollow, AS. angel hook, fish-hook, G. angel, and F. anchor.]


Into the utmost angle of the world. --Spenser.



3. A projecting or sharp corner; an angular fragment.


4. (Astrol.) A name given to four of the twelve astrological "houses." [Obs.] --Chaucer.



A fisher next his trembling angle bears. --Pope.

{Acute angle}, one less than a right angle, or less than 90[deg].

{Adjacent} 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. --Knight. (b) (Mach.) Same as {Angle iron}.


{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. --Knight.



{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[deg].

{Optic angle}. See under {Optic}.

{Rectilineal} 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[deg] (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.


{For Angles of commutation}, {draught}, {incidence}, {reflection}, {refraction}, {position}, {repose}, {fraction}, see {Commutation}, {Draught}, {Incidence}, {Reflection}, {Refraction}, etc.




1: characterized by a straight line or lines; "rectilinear patterns in wallpaper"; "the rectilinear propagation of light" [syn: {rectilinear}, {rectilineal}]


Saturday, March 28, 2015 4:01:27 PM Coordinated Universal Time (UTC)