What's the difference between roundness and sphericity?

Roundness


Definition:

  • (n.) The quality or state of being round in shape; as, the roundness of the globe, of the orb of the sun, of a ball, of a bowl, a column, etc.
  • (n.) Fullness; smoothness of flow; as, the roundness of a period; the roundness of a note; roundness of tone.
  • (n.) Openess; plainess; boldness; positiveness; as, the roundness of an assertion.

Example Sentences:

  • (1) Blatter requires a two-thirds majority of the 209 voters to triumph in the opening round, with a simple majority required if it goes to a second round.
  • (2) An argon laser beam was used to irradiate the round window in 17 guinea pigs.
  • (3) Having been knocked out of the League Cup and Cup Winners' Cup before Christmas, they lost an FA Cup fourth-round replay at West Brom on 1 February.
  • (4) Certainly, Saunders did not land a single blow that threatened to stop his opponent, although he took quite a few himself that threatened his titles in the final few rounds.
  • (5) Only seven films (or 0.7 percent of the entire cohort) showed nodular or rounded opacities of the type typically seen in uncomplicated silicosis.
  • (6) In the absence of guanine nucleotides, or in the presence of a non-hydrolyzable GTP analog, only one round of ribosome binding occurs.
  • (7) But still we have to fight for health benefits, we have to jump through loops … Why doesn’t the NFL offer free healthcare for life, especially for those suffering from brain injury?” The commissioner, however, was quick to remind Davis that benefits are agreed as part of the collective bargaining process held between the league and the players’ union, and said that they had been extended during the most recent round of negotiations.
  • (8) Computed tomography (CT) is the most sensitive radiologic study for detecting these tumors, which usually are small, round, sharply marginated, and of homogeneous soft tissue density.
  • (9) They include two leading Republican hopefuls for the presidential race in 2016, Rand Paul and Marco Rubio; three of them enjoy A+ rankings from the NRA and a further eight are listed A. Rand Paul of Kentucky The junior senator's penchant for filibusters became famous during his nearly 13-hour speech against the use unmanned drones, and he is one of three senators who sent an initial missive to Reid , warning him of another verbose round.
  • (10) However, these votes will be vital for Hollande in the second round.
  • (11) The characteristic features of the nasal mucosa obtained here are as follows: 1) The cross-section profiles of the cilium were round and smooth.
  • (12) In fact, the lowest-rated game of last year's World Series between the Giants and the Tigers edged out the opening round of the draft by only 2.4 million viewers.
  • (13) A radical rearrangement of the organism occurred gradually: initially oval in shape, the parasite became round, then elongated, flattened, and underwent cytokinesis.
  • (14) After two complete rounds of DNA synthesis in the presence of BrdU "harlequin" chromosomes were observed.
  • (15) Trichophytosis (T. equinum) is characterized as typical numerous small and round patches, covered by small, bran-like, asbestos-coloured scales.
  • (16) The only lesson I’ll learn from this is don’t win in the third round.
  • (17) Now is the time to rally behind him and show a solid front to Iran and the world.” Political scientists call this the “rally round the flag effect”, and there are two schools of thought for why it happens, according to the scholars Marc J Hetherington and Michael Nelson.
  • (18) We studied bobbed loci at different magnification steps, analysing their behaviour through the reversion process and the way they carry out a second round of magnification.
  • (19) A 52-year-old black man was found to have a round density in the right lower lung field.
  • (20) The orchestrated round of warnings from the Obama administration did not impress a coterie of senior Republicans who were similarly paraded on the talk shows, blaming the White House for having brought the country to the brink of yet another "manufactured crisis".

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.

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