(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.
Regular
Definition:
(a.) Conformed to a rule; agreeable to an established rule, law, principle, or type, or to established customary forms; normal; symmetrical; as, a regular verse in poetry; a regular piece of music; a regular verb; regular practice of law or medicine; a regular building.
(a.) Governed by rule or rules; steady or uniform in course, practice, or occurence; not subject to unexplained or irrational variation; returning at stated intervals; steadily pursued; orderlly; methodical; as, the regular succession of day and night; regular habits.
(a.) Constituted, selected, or conducted in conformity with established usages, rules, or discipline; duly authorized; permanently organized; as, a regular meeting; a regular physican; a regular nomination; regular troops.
(a.) Belonging to a monastic order or community; as, regular clergy, in distinction dfrom the secular clergy.
(a.) Thorough; complete; unmitigated; as, a regular humbug.
(a.) Having all the parts of the same kind alike in size and shape; as, a regular flower; a regular sea urchin.
(a.) Same as Isometric.
(a.) A member of any religious order or community who has taken the vows of poverty, chastity, and obedience, and who has been solemnly recognized by the church.
(a.) A soldier belonging to a permanent or standing army; -- chiefly used in the plural.
Example Sentences:
(1) At the time, with a regular supply of British immigrants arriving in large numbers in Australia, Biggs was able to blend in well as "Terry Cook", a carpenter, so well in fact that his wife, Charmian, was able to join him with his three sons.
(2) The invaginations were classified into four easily recognized types: regular, chunky, filigree, and ridge (present only in axon hillock regions).
(3) He’s been so consistent this season.” Barkley took the two late penalties because the regular taker, Romelu Lukaku, had been withdrawn at half-time with a back injury that is likely to keep the striker out of Saturday’s trip to Stoke City.
(4) Thus it is unclear how a language learner determines whether German even has a regular plural, and if so what form it takes.
(5) The results indicated that 48% of the sample either regularly checked their own skin or had it checked by another person (such as a spouse), and 17% had been screened by a general practitioner in the preceding 12 months.
(6) Both mothers had been sniffing regularly throughout their pregnancies.
(7) 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.
(8) When the first recordings of each of infants who died of SIDS, except one who had cyanotic episodes prior to death, were compared to recordings of survivors (six for each case) closely matched for age, gestation, and weight at birth, no differences in breathing patterns or heart or respiratory rates during regular breathing could be demonstrated.
(9) We repeat our call for them to do so at the earliest opportunity, and to share those findings so that we can take any appropriate actions.” In the BBC programme the 29-year-old Rupp, who won 10,000m silver at the London 2012 Olympics behind Farah, was accused of having taken testosterone and being a regular user of the asthma drug prednisone, which is banned in competition.
(10) The authors propose three regular procedures with which they are experienced: repair with a large retromuscular nonabsorbable synthetic tulle prosthesis for extensive epigastric eventrations, fillup aponeuroplasty using the sheath of the rectus abdominis associated with a premuscular patch in case of diastasis or of multiple superimposed orifices and suture associated with a small retromuscular auxiliary patch to treat small incisional hernias.
(11) Meanwhile the Brooklyn Nets, who have been dealing with nothing but bad news since the start of the regular season, will be without Paul Pierce for 2-4 weeks, also due to a right hand fracture.
(12) This technique is sensitive to the optical anisotropy within the muscle, including that due to intrinsic properties of the protein molecules as well as that due to the regular arrangement of proteins in the surrounding medium.
(13) Reality set in once you got home to your parents and the regular neighborhood kids, and your thoughts turned to new notebooks for the school year and whether you got prettier while you were away and whether your crushes were going to notice.
(14) Finally, the contribution of regular dental attendance to periodontal health is discussed.
(15) Later Downing Street elaborated on its position, pointing out that Brooks was a constituent of Cameron's and, in any case, "the prime minister regularly meets newspaper executives from lots of different companies".
(16) During phase 1 (3-day equilibration period; ad libitum regular hospital diet), plasma choline levels were within the normal range for all subjects.
(17) The rationale for the use of exercise as part of the treatment program in type II diabetes is much clearer and regular exercise may be prescribed as an adjunct to caloric restriction for weight reduction and as a means of improving insulin sensitivity in the obese, insulin-resistant individual.
(18) Thresholds were measured for detecting perturbations in a regular lattice of dots by modulating local dot density, local dot luminance, or some combination of the two.
(19) Adverse events and life status were checked at regular intervals.
(20) The tryptic cores from H-2K and H-2D are regularly distinguishable from the thymus-leukemia antigens (TLA) by gel electrophoresis in one dimension.