In the United States the latter name is often applied to bay windows which are small, and eitherpolygonal or round; also, to such as are corbeled out from the wall instead of resting on the ground.
A genus of fossil corals abundant in the Silurian and Devonian rocks, having polygonal cells with perforated walls.
In Mr. Whitworth's system, the bore of the gun has a polygonal section, and the twist is rapid.
A solid body standing on a triangular, square, or polygonal base, and terminating in a point at the top; especially, a structure or edifice of this shape.
Of the outer shell (which is connected with the inner by thin radial threads), only a few polygonal meshes are visible.
In the upper part of the figure, at left, is visible the irregular polygonal mouth (a).
The polygonal network of lines, in which the radiating pseudopodia are symmetrically arranged, is partly visible.
Rising above the roof is a polygonal turret, the upper part of which forms a terrace with small timber-work campanile.
The low guard-room, in which the town records are kept, is divided in the middle by three polygonal columns unequally interspaced.
It also contains an ambulatory and an apse formed by polygonal chapels.
We do not even find polygonal masonry--by which we mean walls formed of stone dressed with the chisel, but with irregular joints, and with stones of very different size and shape placed in juxtaposition with one another.
The polygonal column had long been disused when the Greeks first penetrated into the Nile valley and had an opportunity of imitating the works of the Egyptians.
It is no doubt true that towards the seventh century the Greeks could find the polygonal column which we have described in many an ancient monument.
Let us take the ancientpolygonal column as an example.
The polygonal and faggot-shaped columns of Beni-Hassan are no thicker than those of far later times.
A ruined tower ofpolygonal masonry, which stands on the southern edge of the chasm, bears a Greek inscription stating that it was dedicated to Olbian Zeus by the priest Teucer, son of Tarkuaris.
The old path paved with polygonalmasonry still runs through it, but soon disappears under sand.
Taking out then from the original region a small regular polygonal region with z0 as centre, the theorem holds for the remaining portion.
The main plan is a square, surmounted by a cupola supported on four pillars, with a corridor or porch on the West side, and three polygonal apses on the East.
The joint use of square and polygonalmasonry is very curious.
This older fort is of polygonal masonry, very inferior to the other, and has fallen into ruins, while the later walls and towers are in many places perfect.
Towards the base there is constriction, formed of broader cells, beneath which there is an articulation, supported on an enlarged base, consisting of differently shaped polygonal cells.
They consist of an outer layer of small polygonal cells, containing purple granular matter or fluid, and with the walls thicker than those of the pedicels.
The exterior cells are polygonal and rather large; but at many of the points where the angles meet, there are smaller rounded cells.
There are no glands on the spikes, or on the foliaceous footstalk, The glands are formed of from [page 288] twenty to thirty polygonal cells, filled with purple fluid.
Every such rod or pillar was, in common timber trees, typically either polygonal in section, or rectangular.
The structure of the arbor vitæ might be considered as typically representing the link between the rectangular structure and that of monocotyledons; and that of the pine between the polygonal structure and that of monocotyledons.
The pear-shaped body is encased in a theca formed by a number of polygonal plates, and is attached by its narrow end.
Just beyond this a field track on the left leads to the Via Latina, of which a certain portion, paved with huge polygonal blocks of lava, is now laid bare.
Between the arch of Titus and the Coliseum, the ancient pavement of this famous road, composed of huge polygonal blocks of lava, has been allowed to remain.
Distinguished from Morchella by the thick, brain-like folds of the hymenophore not anastomosing to form irregularly polygonal depressions; and from Helvella in the hymenophore not being free from the stem at the base.
Most nearly allied to Gyromitra; differs in the ribs of the pileus being deep and plate-like, and anastomosing to form elongated or irregularly polygonal deep pits.
The deep chinks with sloping sides cause them to appear like frusta of polygonal pyramids.
Variable in form, size and color, but distinguished by the pileus being adnate to the stem at the base, and the stout ribs anastomosing to form irregular, polygonal pits of about equal size, and not elongated.
Mr. Albert Gayet has pointed out, in his history of Coptic art, that the law of polygonal evolution only completed in the eleventh century the course it had steadfastly pursued from the beginning.
The band down the front of the Assisi alb, for example, has a row of stags thoroughly subservient to the distinctly polygonal idea.
Symbolic animals and chimeras are introduced, but the polygonal character of the design is preserved throughout, and establishes, I consider, its Coptic derivation.
No less than twenty varieties of these polygonal ornaments, many of them introducing the gammadion, are to be found in the lacework of the Assisi alb.
The gammadion or symbol of the cross can be traced in all three: and the polygonalcharacter of the design is similar to that of the Assisi alb] [Illustration: PLATE V.
In modern polygonal fortifications this plan has been re-adopted (see p.
A curious circumstance occurred with regard to the polygonal redoubt already described as standing 1,100 yards in advance of the lines.
This was a polygonal redoubt, and mounted six guns.
The polygonal wall-masonry, as appropriate to its object as it was beautiful, was frequent in Latium and in the inland country behind it; while in Etruria it was rare, and not even the walls of Caere are constructed of polygonal blocks.
The selection of one or other of these systems was doubtless ordinarily determined by the material, and accordingly the polygonal masonry does not occur in Rome, where in the most ancient times tufo alone was employed for building.
To this polygonal line, a work destined to disappear as the real toils are woven, I will give the name of the 'auxiliary spiral.
All that is aimed at is a polygonal line drawn in a curve as geometry understands it.
They mark a very irregular polygonal area, wherein the web, itself a work of magnificent regularity, shall presently be woven.
It would become merged in this spiral if the number of radii were infinite, for this would reduce the length of the rectilinear elements indefinitely and change this polygonal line into a curve.
Turning to churches, there is workmanship considered to be of pre-Norman date in Wing church, in the neighbourhood of Leighton Buzzard, including a polygonal apse and crypt.
But in 1859, when the great entrenched camp at Antwerp was finally taken in hand, he had already gone over to the school of polygonal fortification and the ideas of Montalembert.
The castle is an irregular oblong building on the west of the town, surrounded by walls and having thirteen polygonal towers.
In later Roman times there were added a series of polygonal bastions, of the type found at Caerwent.
The nearest example of a polygonal east end seems to be at Westbury-on-Trym, near Bristol, unless we regard the Lady Chapel at Wells as a parallel instance.
This style of masonry is called polygonal and is to be carefully distinguished from Cyclopean, as above defined.
The room, or cell, was gradually finished in a quadrangular or polygonal shape, with a ceiling high enough to permit a person of average size to stand erect.
Opposite this space, and backed against the beautifully jointed polygonal wall which has for some time been known, and which supports the terrace on which the temple stands, is the colonnade of the Athenians.
The polygonal terrace wall at the back, on being cleared, proves to be covered with inscriptions, most of them concerning the manumission of slaves.
Hence the origin of new orders differing so widely from the polygonal column.
The fructification, f, at the extremity, is in the form of a cone bearing polygonal scales, under which are spore-cases containing spores with filaments.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "polygonal" in a variety of sentences. We hope that you will now be able to make sentences using this word. Other words: multilateral; polyhedral; prismatic
