What's the difference between eight and octahedron?

Eight


Definition:

  • (n.) An island in a river; an ait.
  • (a.) Seven and one; as, eight years.
  • (n.) The number greater by a unit than seven; eight units or objects.
  • (n.) A symbol representing eight units, as 8 or viii.

Example Sentences:

  • (1) These eight large plasmids had indistinguishable EcoRI restriction patterns.
  • (2) In the fall of 1975, 1,915 children in grades K through eight began a school-based program of supervised weekly rinsing with 0.2 percent aqueous solution of sodium fluoride in an unfluoridated community in the Finger Lakes area of upstate New York.
  • (3) A series of eight patients with multiple meningiomas is presented.
  • (4) Eight-week-old virgin untreated female mice were induced to ovulate using equine chorionic gonadotropin (eCG) and human chorionic gonadotropin (hCG), and were then caged with males overnight.
  • (5) Development at two to 15 months of age in the 19 surviving infants was normal in nine, suspect in eight, and severely delayed in two patients.
  • (6) Eight other children (20%) had normal or borderline elevation of CPK-MB fraction and EKG abnormalities combined with abnormal echocardiograms or radionuclide angiograms, and were considered to have sustained cardiac concussion.
  • (7) By the time Van Kirk returned to the US in June 1943, he had flown 58 combat and eight transport missions.
  • (8) We studied the effect of low-dose intrathecal morphine (0.00-0.20 mg) on pain relief and the incidence of side effects after cholecystectomy in 139 patients divided into eight groups according to intrathecal morphine dose: groups 1 (0.00 mg), 2 (0.04 mg), 3 (0.06 mg), 4 (0.08 mg), 5 (0.10 mg), 6 (0.12 mg), 7 (0.15 mg), and 8 (0.20 mg).
  • (9) "I was eight in 1983, but I remember a plane that flew low over our Bulawayo suburb and army loud-hailers screaming: 'You are surrounded.'
  • (10) Eighty-eight patients (97%) had a stable fixation and 77 (85%) had resumed preoperative activity or were working but with a residual deficit.
  • (11) Age-specific MRs for the over-75-year age group were also not related to the winter air temperatures in the eight cities.
  • (12) Due to continued disease relapse in this group (four of eight patients), long-term survivors should not be identified for a minimum of 3.5 years from the time of initial therapy.
  • (13) The IgM antibody was found at high titers in each of 70 patients with inflammatory liver disease and at a low titer in one of six patients with inactive cirrhosis; it was not found in eight carriers with normal liver histology.
  • (14) Affected dogs were from ten breeds and their average age was eight years.
  • (15) This competence persists over the eight measurement points.
  • (16) Eight cases of calcification following anterior dislocation of the head of the radius are described.
  • (17) Six of eight AD and seven of eight vitamin A-adequate dams carried pregnancy to term (greater than or equal to Day 64).
  • (18) In the subgroup of children under age 5 years at the time of diagnosis, 10 of 11 showed neuropsychologic deficits, and eight of 11 had white matter changes.
  • (19) Learning ability was assessed using a radial arm maze task, in which the rats had to visit each of eight arms for a food reward.
  • (20) Eight patients aged 7-15 were using inhaled sympathomimetic aerosols only at the time of buying a nebuliser as compared with most of the older patients, who were using regular oral steroids.

Octahedron


Definition:

  • (n.) A solid bounded by eight faces. The regular octahedron is contained by eight equal equilateral triangles.

Example Sentences:

  • (1) The structure of the activated forms of CF1 can be described best as an intermediate between the dimeric arrangement of latent CF1 and an octahedron.
  • (2) Location and refinement of the two inequivalent H atoms permitted a detailed analysis of the hydrogen bonding, which occurs principally between the oxygen octahedron and the bromate groups.
  • (3) The room-temperature structure is very similar to that reported previously for a sample at 169 K. The water O atoms form a very slightly distorted octahedron about nickel while the perbromate-ion geometry is virtually regular tetrahedral.
  • (4) The central molybdenum atom adopts a distorted octahedral coordination geometry with one face of the octahedron occupied by the tridentate pyrazolylborate ligand and the opposite face by the oxo and the two phenolato ligands.
  • (5) The coordination environment of the Mg atom is a very nearly regular octahedron of water O atoms.
  • (6) The quaternary structure of the protein molecule is approximated by a model consisting of six spherical subunits situated at the vertices of an octahedron having the symmetry 32.
  • (7) The single type of Al ion is coordinated by six inequivalent water O atoms which form a slightly distorted octahedron.
  • (8) Scanning electron microscopy was employed to elucidate the structure of the crystals, which were found to exist as regular octahedrons ranging in size from 5 to 90 micrometers.
  • (9) The different spectral forms result from the extent of distortion of the MnIV octahedron.
  • (10) By computer calculation with the use of atom-atom potentials a stereochemical model of the DNA-hydrate Na+ complex was obtained according to which the Na+(H2O)6 octahedrons are localized in the narrow groove of DNA with formation of a great number of van der vaals contacts and hydrogen bonds.
  • (11) In the case of artificially produced conjugate containing six cross-linked CT molecules, this is observed at Wo = 43 when rc is equal to the radius of the sphere surrounding the absolute octahedron composed of six CT globules.
  • (12) In one simulation, one alpha-cyclodextrin form in a "truncated octahedron box" containing 611 water molecules is simulated over 90 picoseconds to mimic the solution structure.
  • (13) The average Al--O distance within the octahedron is 1.872 (11) A.

Words possibly related to "octahedron"