Under favorable conditions such a solid has a regular polyhedral form.
A regular polyhedral form, possessing a definite internal molecular structure, which is assumed by a substance in passing from the state of a liquid or gas to that of a solid.
The starch furnished by buckwheat flour exhibits polyhedral agglomerations, analogous to those presented by corn.
For this purpose, a small portion is moistened with a little water, a few drops of iodine solution added, and the mixture placed on the side of the microscope: the bluish grains contained in the polyhedral and cellular envelope (Fig.
The surfaces of the cells are then seen to form a mosaic, each cell area having a polyhedral shape.
Here the surface cells are very much flattened (squamous epithelium), those of the middle layer are polyhedral and those of the lowest layer are cubical or columnar.
The polyhedral shell exhibits in its wall the small tangential needles.
Each shell is again enveloped by a membranous polyhedral alveole and separated from it by structureless jelly.
One valve of the bivalved shell, seen from the inside, of the rarer polyhedral form, which may be distinguished as a different species (Coeloplegma tritonis, compare p.
It agrees in these striking peculiarities with the following family, the Tuscarorida, but differs from them essentially by the spherical orpolyhedral form of the shell, which is never ovate, with the main axis prolonged.
Usually the calymma is here very voluminous and entirely filled up by large alveoles, which are either spherical, irregularly roundish, or polyhedral by mutual compression.
Orosphaerida# with a simple, polyhedral or subspherical lattice-shell, and with numerous pyramidal elevations on its surface, the top of which bears a radial spine.
Shell spherical or polyhedral with panelled structure and polygonal plates.
Shell polyhedral or nearly spherical, with nine prominent corners, from which arise nine radial spines, about as long as the diameter of the shell.
The bases of the radial spines are connected by prominent concave crests, which form the edges of the polyhedral shell.
Orosphaerida# with a spongy, spherical or slightly polyhedral lattice-shell, which is enveloped by a loose spongy framework and bears numerous radial spines.
The entire surface of the subspherical thicket in the Coelotholida, and of the polyhedral lattice-mantle in the Coeloplegmida, is armed with thousands of those most elegant spathillae, or anchor-pencils.
In this manner the polyhedral outer shell is formed, the meshes of which therefore are always very large and triangular.
Astrosphaerida# with spongy spherical or polyhedral shell (with or without enclosed concentric lattice-shells).
Shell quite irregular, of very variable, roundish, or polyhedral form, with small irregular roundish pores, two to four times as broad as the bars.
Shell very irregular, between subspherical andpolyhedral in form, but always with irregular impressions, boils or bosses, and between these different rounded prominent tubercles and ridges.
As in Actissa, the form of the central capsule remains either spherical, or it becomes ellipsoidal or discoidal, rarely polyhedral or amoeboid.
Shell irregular polyhedral or roundish, with a delicate network of large irregular polyhedral meshes, five to ten times as broad as the thin bars.
As the insertion of the spines is on the highest point of the plates, the shell becomes polyhedral (dodecahedral?
Besides these small pores constantly some large round openings (commonly three to six), situated on the corners of the polyhedral shell, four to six times as large as the pores.
Medullary shell half as broad as the cortical shell, irregularly polyhedral (with crooked beams in its interior).
Shell not a regular sphere, but irregular roundish, in all degrees of variation between subspherical and polyhedral or quite irregular forms.
Each crescent is made of polyhedralcells which under some circumstances are supposed to give rise to new salivary cells.
Suppose the polyhedral angle were concave, why would the proof not hold?
In all such cases the relation to the polyhedral angle should be made clear.
The sum of the face angles of any convex polyhedral angle is less than four right angles.
Students have more difficulty in grasping the meaning of the size of a polyhedral angle than is the case with dihedral and plane angles.
For this reason it is not good policy to dwell much upon this subject unless the question arises, since it is better understood when the relation of the polyhedral angle and the spherical polygon is met.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "polyhedral" in a variety of sentences. We hope that you will now be able to make sentences using this word. Other words: bilateral; lateral; multilateral; polyhedral; prismatic; quadrilateral; sided; unilateral
