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Right-angled; having one or more angles of ninety degrees. -- Rec*tan"gu*lar*ly (r, adv. -- Rec*tan"gu*lar*ness, n.

The quality or condition of being rectangular, or right-angled.

Containing or having two right angles; as, a birectangular spherical triangle.

Having three right angles. See Triquadrantal.

h a position as to exhibit the top and two sides, the corner being in front; -- said of a rectangular form. Encyc. Brit. Cussans.

ints are referred for the purpose of determining their relative position: they are either rectangular or oblique. -- Axes of coördinates in space, the three straight lines in which the coördinate planes intersect each other. -- Axis of a balance, that line about which it turns. -- Axis of oscillation, of a pendulum,…

tables. Backgammon board , a board for playing backgammon, often made in the form of two rectangular trays hinged together, each tray containing two "tables".

ndow forming a bay or recess in a room, and projecting outward from the wall, either in a rectangular, polygonal, or semicircular form; -- often corruptly called a bow window.

A game played with ivory balls o a cloth-covered, rectangular table, bounded by elastic cushions. The player seeks to impel his ball with his cue so that it shall either strike (carom upon) two other balls, or drive another ball into one of the pockets with which the table sometimes is furnished.

A combination of two short rectangular glass prisms cemented together at their diagonal faces so as to form a cube; -- called also optical cube. It is used in one form of photometer.

y inclosed by streets, whether occupied by buildings or not. The new city was laid out in rectangular blocks, each block containing thirty building lots. Such an average block, comprising 282 houses and covering nine acres of ground, exists in Oxford Street. Lond. Quart. Rev.

A kite, invented by Lawrence Hargrave, of Sydney, Australia, which consist of two light rectangular boxes, or cells open on two sides, and fastened together horizontally. Called also Hargrave, or cellular, kite.

A block or clay tempered with water, sand, etc., molded into a regular form, usually rectangular, and sun-dried, or burnt in a kiln, or in a heap or stack called a clamp. The Assyrians appear to have made much less use of bricks baked in the furnace than the Babylonians. Layard.

irders resting on trestles. -- Tubular bridge, a bridge in the form of a hollow trunk or rectangular tube, with cellular walls made of iron plates riveted together, as the Britannia bridge over the Menai Strait, and the Victoria bridge at Montreal. -- Wheatstone's bridge (Elec.), a device for the measurement of resis…

k. -- Butts and bounds (Conveyancing), abuttals and boundaries. In lands of the ordinary rectangular shape, butts are the lines at the ends (F. bouts), and bounds are those on the sides, or sidings, as they were formerly termed. Burrill. -- Bead and butt. See under Bead. -- Butt and butt, joining end to end without…

A rectangular iron frame in which pages or columns of type are imposed.

widened and bent backward, except in Chinese Chippendale, in which the backs are usually rectangular. -- Chip"pen*dal*ism (#), n.

A rectangular frame, with a tightening screw, used for compressing the jionts of framework, etc.

a sculptor's chisel for smoothing. -- Flat file, a file wider than its thickness, and of rectangular section. See File. -- Flat nail, a small, sharp-pointed, wrought nail, with a flat, thin head, larger than a tack. Knight. -- Flat paper, paper which has not been folded. -- Flat rail, a railroad rail consisting of…

A drawplate with a narrow, rectangular orifice, for drawing flat strips, as watch springs, etc.