(n.) The sum of four units; four units or objects.
(n.) A symbol representing four units, as 4 or iv.
(n.) Four things of the same kind, esp. four horses; as, a chariot and four.
Example Sentences:
(1) These included bringing in the A* grade, reducing the number of modules from six to four, and a greater attempt to assess the whole course at the end.
(2) Low birth weight, short stature, and mental retardation were common features in the four known patients with r(8).
(3) It was shown in experiments on four dogs by the conditioned method that the period of recovery of conditioned activity after one hour ether anaesthesia tested 7 to 7.5 days.
(4) However, four of ten young adult outer arm (relatively sun-exposed) and one of ten young adult inner arm (relatively sun-protected) fibroblasts lines increased their saturation density in response to retinoic acid.
(5) A 61-year-old man experienced four bouts of pancreatitis in 1 year.
(6) The promoters of the adenovirus 2 major late gene, the mouse beta-globin gene, the mouse immunoglobulin VH gene and the LTR of the human T-lymphotropic retrovirus type I were tested for their transcription activities in cell-free extracts of four cell lines; HeLa, CESS (Epstein-Barr virus-transformed human B cell line), MT-1 (HTLV-I-infected human T cell line without viral protein synthesis), and MT-2 (HTLV-I-infected human T cell line producing viral proteins).
(7) In each study, all subjects underwent four replications (over two days) of one of the six permutations of the three experimental conditions; each condition lasted 5 min.
(8) Four cytotoxic antibiotics, bikaverin, duclauxine, PSX-1 and vermiculine, were examined with respect to their interference with glycolysis and respiration and their possible ionophoric or cytolytic activity.
(9) The invaginations were classified into four easily recognized types: regular, chunky, filigree, and ridge (present only in axon hillock regions).
(10) During the study period four family outbreaks and seven recurrences of infection were observed.
(11) These four antigens consisted of S of MNSs blood group, Lua of Lutheran blood group, and K and Kpa of Kell-Cellano blood group.
(12) Binding data for both ligands to the enzyme yielded nonlinear Scatchard plots that analyze in terms of four negatively cooperative binding sites per enzyme tetramer.
(13) Even so, amputation of fifteen extremities and four other major excisions were required in twelve patients.
(14) Four of the 39 ticks in our colony were infected with a spirochete; presumably, Borrelia crocidurae.
(15) Four other independent LCMV-GP2(275-289) specific H-2Db-restricted CTL clones also expressed V alpha 4 and V beta 10 gene elements.
(16) The hospital whose A&E unit has been threatened with closure on safety grounds has admitted that four patients died after errors by staff in the emergency department and other areas.
(17) Maximal covalent binding of [4,5-14C]ronidazole to DNA also required four-electron reduction, consistent with previous studies of the covalent binding of this agent to immobilized sulfhydryl groups [Kedderis et al.
(18) We investigated whether these peptides also affect the sleep EEG in humans when given intravenously by comparing polysomnographically the effects of four boluses of (1) placebo, (2) 50 micrograms GHRH or (3) 50 micrograms SRIF administered at 22.00, 23.00, 24.00 and 1.00 h to 7 male controls.
(19) Since the start of this week, markets have been more cautious, with bond yields in Spain reaching their highest levels in four months on Tuesday amid concern about the scale of the austerity measures being imposed by the government and fears that the country might need a bailout.
(20) In 14 of the patients the imaging results were checked against the histological findings of a subsequent thymectomy, which revealed four thymomas and (with the exception of one normal thymus) hyperplastic changes in all the others.
Quadrangle
Definition:
(n.) A plane figure having four angles, and consequently four sides; any figure having four angles.
(n.) A square or quadrangular space or inclosure, such a space or court surrounded by buildings, esp. such a court in a college or public school in England.
Example Sentences:
(1) zygapophysiales structurally represent a force locked, kinematically contrained four-bar-chain (link quadrangle).
(2) This investigation examined how subjects perceived and localized the centers of irregular quadrangles.
(3) Chile will attack during their last-16 match against Brazil in Belo Horizonte because not to do so would be to ignore their own most obvious asset, that supremely mobile midfield-into-attack quadrangle.
(4) Based on intraoperative TEE findings, corrective procedures included quadrangle resection posterior leaflet with Carpentier ring in four, chordal shortening and chordal transfer anterior leaflet in four, flexible Duran ring for annular dilatation in two, closure of all atrial septal defects (ASD) with pericardial patch in secundum and sinus venosis type (ligation of small anomalous vein in one), and Dacron patch in primum type, myomectomy for HOC and reconstruction of the tricuspid annulus with Duran ring in Ebstein's anomaly.
(5) Biomechanical analysis of the stomatognathic system yields that the linkage between posterior and anterior guidance can be modelled by a link quadrangle (throttle crank) with closed linkage.
(6) The vast quadrangle at the centre of a sprawling complex of ministerial offices in Delhi has become a rubbish dump for broken furniture, discarded water coolers, broken air conditioners, abandoned telephones and large bags of discarded paper.
(7) On the basis of some more specific findings, we suggest that it is not as much the number of correlation quadrangles that determines the saliency of a regularity as it is the degree to which they facilitate or "bootstrap" each other.
(8) Misjudgement of orientation is demonstrated in drawings of tilted quadrangles with parallel diagonals.
(9) The superior tumors are characterized by the angle between the 2nd 3rd SOV segments not exceeding 100 degrees and by the quadrangle surface of 419 mm2 in average.
(10) Quadrangles with parallel LS-axes were systematically judged as differently tilted according to the difference in the orientation of their axes of balance.
(11) The sale, to Quadrangle Capital Partners, marks a winding down of Dennis's decade-long publishing foray into the US, which started with the launch of Maxim in 1997.
(12) In 2007 Dennis Publishing sold its US magazine interests including Maxim, Stuff and Blender to private equity partners Quadrangle Capital Partners, who own Alpha Media , for a price reported at the time to be about $240m (£121m).
(13) On Saxon Square, a pristine quadrangle of shops and cafes at the northern edge of town, I meet Dee and Graham Snape, 68 and 71 respectively, having coffee in the sunshine.
(14) Gradually the dramatic triangle begins to emerge – or is it a quadrangle?
(15) This mechanism can approximately be replaced by a link quadrangle and mapped by a standard gear.
(16) In addition to the first-order regularities of orientational uniformity and midpoint collinearity (Jenkins, 1983), bilateral symmetry (BS) gives rise to second-order relations between two pairs of symmetric elements (represented by correlation quadrangles).
(17) Judgements were also influenced by the orientation of an 'axis of balance', which ran through the centre of gravity and the lowermost apex of the quadrangle.
(18) The federal government has authorized an additional 9m reais ($2.36m) to the mines ministry for an audit of dams in the so-called iron quadrangle, the heavily mined region in Minas Gerais where the Samarco mine operates.
(19) In well-functioning families, this tetrad or quadrangle is wide-spread in the first pair of siblings in the family and tends to be more common in same-sex pairs, suggesting that sibling deidentification is designed to mitigate the relatively intense sibling rivalry characteristic of these pairs and hence to maintain family harmony.
(20) The main characteristic determining estimated orientation of the quadrangles was the axis from which the sum of the squared distances to each point of the figure was minimal (the LS-axis).