(n.) A body or space contained under a single surface, which in every part is equally distant from a point within called its center.
(n.) Hence, any globe or globular body, especially a celestial one, as the sun, a planet, or the earth.
(n.) The apparent surface of the heavens, which is assumed to be spherical and everywhere equally distant, in which the heavenly bodies appear to have their places, and on which the various astronomical circles, as of right ascension and declination, the equator, ecliptic, etc., are conceived to be drawn; an ideal geometrical sphere, with the astronomical and geographical circles in their proper positions on it.
(n.) In ancient astronomy, one of the concentric and eccentric revolving spherical transparent shells in which the stars, sun, planets, and moon were supposed to be set, and by which they were carried, in such a manner as to produce their apparent motions.
(n.) The extension of a general conception, or the totality of the individuals or species to which it may be applied.
(n.) Circuit or range of action, knowledge, or influence; compass; province; employment; place of existence.
(n.) An orbit, as of a star; a socket.
(v. t.) To place in a sphere, or among the spheres; to insphere.
(v. t.) To form into roundness; to make spherical, or spheral; to perfect.
Example Sentences:
(1) Mike Ashley told Lee Charnley that maybe he could talk with me last week but I said: ‘Listen, we cannot say too much so I think it’s better if we wait.’ The message Mike Ashley is sending is quite positive, but it was better to talk after we play Tottenham.” Benítez will ask Ashley for written assurances over his transfer budget, control of transfers and other spheres of club autonomy, but can also reassure the owner that the prospect of managing in the second tier holds few fears for him.
(2) Quantitative measurements of image contrast were carried out for B-mode images of anechoic spheres (cysts) embedded in a random scattering medium.
(3) The relation between genetic counseling and the procreation sphere among the studied families is presented.
(4) Despite Facebook's size and reach, and its much-vaunted role in the short-lived Arab spring , there are reasons for thinking that Twitter may be the more important service for the future of the public sphere – that is, the space in which democracies conduct public discussion.
(5) I care far more that women are absolutely essential to political life, influential at every level, and are leading dynamic conversations in the public sphere around social and cultural change.
(6) The algorithm is an improvement over the sphere model in that it considers two distinct surfaces: an ellipsoid, to model the region of the skull on which the sensors are placed, and a sphere as the medium in which the current dipole model is considered.
(7) The yolk spheres, which were free of precipitates, gave the characteristic signal of the nitrogen K-edge.
(8) In family therapy, the analysis of secret implies not only to define the network of the concerned persons, but also the definition of the bonds between the secret and loyalties, the distribution of power, the alliances and the definitions of the private sphere (proper to each family) and of the protective function of the secret.
(9) The sphering agent lysolecithin is less effective in reducing red cell deformability, when the external calcium-concentration is kept low.
(10) The magnitude of changes in both energy interaction and intensity were used to explore the degree of outer and inner sphere coordination, incidence of covalency and the extent of metal 4f-orbital involvement in chemical bonding.
(11) Ultrastructurally, hemolytic concentrations of tributyltin can be visualized in the electron microscope by osmium staining during fixation as electron-dense spheres penetrating the lipid bilayer of the erythrocyte plasma membrane.
(12) In the present paper the images produced by spheres of varying diameter (d = 4,6,8,10 mm) embedded in a homogeneous substance of varying densities (H' = 3,48,93,137 Hounsfield units) as produced by computer tomography were studied.
(13) The typical elements of risk (tobacco, age, socio-professional sphere) reappear in this study.
(14) Our results showed that a lower percentage of normal subjects and a lower percentage of constipated patients were able to pass a 1.8 cm incompressible sphere compared with a 50 ml deformable balloon, although constipated patients found it more difficult than normal subjects to expel both types of simulated stool.
(15) A transient 5-coordinate intermediate might play a role in the mechanism of action of carbonic anhydrase by facilitating ligand exchange reactions within the inner coordination sphere of the Zn(II) ion at the active center.
(16) The expression of WAP appears to be dependent upon the formation of the alveoli-like spheres: prevention of sphere formation by fixation or drying of the matrix abolishes the expression of WAP.
(17) The SAR patterns in birds, however, varied markedly from those obtained from spheres of comparable mass.
(18) The depth of FAD incorporation into the enzyme molecule as calculated according to the outer sphere electron transfer theory is 6.1 A.
(19) For the hard-sphere model used in these calculations, it was found that current helix-coil transition theory does not predict the correct perturbed dimensions.
(20) These questions are the points of collision of two immensely important spheres of interest in our everyday life.
Sphericity
Definition:
(n.) The quality or state of being spherial; roundness; as, the sphericity of the planets, or of a drop of water.
Example Sentences:
(1) The authors have presented in two previous articles the graphic solutions resembling Tscherning ellipses, for spherical as well as for aspherical ophthalmic lenses free of astigmatism or power error.
(2) This lack of symmetry in shape and magnitude may be due to non-sphericity of the skull over the temporal region or to variations in conductivities of intervening tissues.
(3) As a consequence of deformation from spherical-to-cylindrical shape in the microvasculature, demands for increased surface membrane area leads to increases in surface membrane tension above critical levels for rupture, and the cancer cells are rapidly and lethally damaged.
(4) From the different shapes of the scattering curves of the native phosphofructokinase at pH 7.5 in the presence of 15 mM ATP and of the cross-linked tetramer or octamer, it can be inferred that the shapes of the protomers are different: in the presence of ATP the protomers are elongated, having an axial ratio of 1.8 to 2.0; the cross-linked state reveals a spherical protomer of radius 33.0 A, similar to that of the native enzyme at pH 7.5 in the presence of fructose 6-phosphate or fructose 1,6-bisphosphate.
(5) Equivalent viewing power (EVP), field of view, and working distance (WD) were calculated for 4 different magnifier equivalent powers, four magnifier-to-eye distances, and for uncorrected spherical ametropias varying from +20.00 to -20.00 D in 0.25 D steps.
(6) A sound source is commonly spherical, therefore solutions are found for the wave equation in spherical coordinates, giving a precise meaning to the 'azimuthal' and 'magnetic quantum number' analogy.
(7) One biliary stone showed cholesterol with spherical bodies of calcium carbonate and pigment.
(8) A simple method has been developed for fusing synaptic vesicles into spherical structures 20-50 micron in diameter.
(9) Anterior lenticonus is a rare condition, in which there is a conical or spherical protrusion of the anterior surface into the anterior chamber.
(10) These results suggest that the shapes of the two enzymes are more spherical in solution than the proposed structural model previously reported.
(11) Elementary spherical particles similar to those described in the mitochondria are found in isolated rat liver and spleen nuclear membranes.
(12) NF-L in 6 M-urea took the form of spherical particles with a diameter of about 12 nm.
(13) Later, melanocytes became spherical and had membrane bound, autophagosome-like compartments of pigment granules.
(14) Rotation time constants obtained from the dichroism decay are not consistent with a spherical shape, for either the holo- or core repressor.
(15) The mean spherical approximation (MSA) provides a simple and reliable method for computation of single ion activities.
(16) Neuron #1 contained large spherical electron-dense vesicles while neuron #2 contained smaller subspherical vesicles.
(17) The morphological unit of the regular array appeared to consist of four spherical subunits, each about 2 nm in diameter, which were arranged in a tetragonal pattern about 4.5 by 7.0 nm in dimension.
(18) These receptors were subdivided by their morphology in the next groups: pear-shaped receptors with capsule; capsuled spherical receptors located near vascular walls; ovoidal receptors with capsule and glomerular structure; simple or complex mace-shaped receptors without capsule.
(19) A simple closed-form solution is derived for a thin linearly elastic spherical model of the cornea.
(20) Levels of pregnenolone and progesterone in spherical pig blastocysts (near 4 and 15 microM respectively) exceeded respective levels in histotroph by about 400-fold.