(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.