What's the difference between cluster and heap?

Cluster


Definition:

  • (n.) A number of things of the same kind growing together; a bunch.
  • (n.) A number of similar things collected together or lying contiguous; a group; as, a cluster of islands.
  • (n.) A number of individuals grouped together or collected in one place; a crowd; a mob.
  • (v. i.) To grow in clusters or assemble in groups; to gather or unite in a cluster or clusters.
  • (v. t.) To collect into a cluster or clusters; to gather into a bunch or close body.

Example Sentences:

  • (1) The patterns observed were: clusters of granules related to the cell membrane; positive staining localized to portions of the cell membrane, and, less commonly, the whole cell circumference.
  • (2) We used the polymerase chain reaction (PCR) to amplify the breakpoint area of alpha-thalassemia-1 of Southeast Asia type and several parts of the alpha-globin gene cluster to make a differential diagnosis between alpha-thalassemia-1 and Hb Bart's hydrops fetalis.
  • (3) In some cervical nodes, a few follicles, lymphocyte clusters, and a well-developed plasmocyte population were also present.
  • (4) The 68C intermolt puff of Drosophila melanogaster contains a cluster of three glue protein genes, Sgs-3, Sgs-7, and Sgs-8.
  • (5) This analysis demonstrated that more than 75% of cosmids containing a rare restriction site also contained a second rare restriction site, suggesting a high degree of CpG-rich restriction site clustering.
  • (6) Typically the iron-iron axis (gz) of the binuclear iron-sulfur clusters is in the membrane plane.
  • (7) The fourth cluster included the type strains of Actinobacillus lignieresii, A. equuli, A. pleuropneumoniae, A. suis, A. ureae, H. parahaemolyticus, H. parainfluenzae, H. paraphrohaemolyticus, H. ducreyi, and P. haemolytica.
  • (8) Each species has approximately 500 core histones cluster repeats per haploid genome.
  • (9) mycoides cluster' at a similarity level (S) of 66% and which remained undivided at up to 78% S. At higher similarity levels, these strains fell heterogeneously into mixed sub-phenons containing strains of both subspecies.
  • (10) Thus, succinate dehydrogenase is the first enzyme which has been shown to contain all 3 of these Fe-S clusters.
  • (11) We examined 10 life areas clustered around the general categories of "substance use," "social functioning," and "emotional and interpersonal functioning."
  • (12) Genetic regulation of the ilvGMEDA cluster involves attenuation, internal promoters, internal Rho-dependent termination sites, a site of polarity in the ilvG pseudogene of the wild-type organism, and autoregulation by the ilvA gene product, the biosynthetic L-threonine deaminase.
  • (13) Neutral sucrose density sedimentation patterns indicate that neutron-induced double strand-breaks sometimes occur in clusters of more than 100 in the same phage and that the effeciency with which double strand-breaks form is about 50 times that of gamma-induced double strand-breaks.
  • (14) The difference in Brazil will be the huge distances involved, with the crazy decision not to host the group stages in geographical clusters leading to logistical and planning nightmares.
  • (15) Fifty-four cases were analysed, and a two-fold excess of clustering within one year was observed, both within single districts and between adjacent districts.
  • (16) All of the multivariate data were treated with mathematic method of cluster analysis.
  • (17) The perinatal development of the levator ani (LA) muscle in male and female rats was investigated by measuring the total number of muscle units (MU) (i.e., mononucleate cells, clustered or independent myotubes, and muscle fibers) in transverse semithin sections of the entire muscle and the MU cross-sectional area in 22-day-old fetuses (F22), 1-day-old (D1 = day of birth), 3-day-old (D3), and 6-day-old (D6) newborns.
  • (18) Since only a few of these medium sized terminals in any one cluster degenerate after tectal lesions, and none degenerate after cortical lesions, it is suggested that the morphological arrangement of these clusters may permit the convergence of axons from several sources, some of which are unidentified, onto the same dendritic segment.
  • (19) A transurethral prostatic resection for prostatism in a 73 year old man showed a cluster of richly capillarised clear cells originally thought to be indicative of invasive carcinoma.
  • (20) Moderately differentiated tumor revealed a wider range of nucleus size, less clustering (coefficient--3.59) and more hyperchromatic (70.1%) and "bare" (49.4%) nuclei and large nucleoli (22.2%).

Heap


Definition:

  • (n.) A crowd; a throng; a multitude or great number of persons.
  • (n.) A great number or large quantity of things not placed in a pile.
  • (n.) A pile or mass; a collection of things laid in a body, or thrown together so as to form an elevation; as, a heap of earth or stones.
  • (v. t.) To collect in great quantity; to amass; to lay up; to accumulate; -- usually with up; as, to heap up treasures.
  • (v. t.) To throw or lay in a heap; to make a heap of; to pile; as, to heap stones; -- often with up; as, to heap up earth; or with on; as, to heap on wood or coal.
  • (v. t.) To form or round into a heap, as in measuring; to fill (a measure) more than even full.

Example Sentences:

  • (1) If Lagarde had been placed under formal investigation in the Tapie case, it would have risked weakening her position and further embarrassing both the IMF and France by heaping more judicial worries on a key figure on the international stage.
  • (2) In autumn, leaf-heaps composted themselves on sunken patios, and were shovelled up by irritated owners of basement flats.
  • (3) Across a dusty lot sits a heap of scrap metal, patrolled by a couple of emaciated dogs, while a toddler squats in the street, examining the sole of a discarded shoe.
  • (4) Despite the praise and awards heaped on him Yunus has not become one of those leaders who checks out how important you are before deciding how much of his time you are worth.
  • (5) Not to mention the files they may have already shredded.” One core problem is that too many expectations have been heaped on a trial that cannot bear them all.
  • (6) She responded with Mrs Schofield's GCSE , which heaped up all the grisly murders in Shakespeare.
  • (7) There's been so much abuse heaped upon these communities, and so much rightful anger at the people who stole their lands.
  • (8) It has been established experimentally that the Opisthorchis metacercaria in fish muscles were killed at -28 degrees S in 15-20 h., at -35 degrees C in 8 h. and at -40 degrees C in 2 h. The period of fish freezing becomes much longer when it is stored in snow-covered heaps, which may be the cause of Opisthorchis invasion of wild and domestic carnivorous animals.
  • (9) Tayyab Mahmood Jafri, part of the large team of prosecution lawyers, heaped scorn on yet another discovery of explosives.
  • (10) In the 1980s she was near the bottom of the heap in popularity among US first ladies - coming 36th out of 37 in a 1993 opinion poll.
  • (11) The technology giant heaped pressure on its rivals with a cheaper iPad 2 priced at $399 (£254).
  • (12) Unless those at the bottom of the heap can represent themselves, and the inarticulate will not know how to woo judges, they will be outlaws.
  • (13) Gaddafi, as vigilant keeper of the flame, kept a weather eye open, heaping privileges on some and prestige on others in order to consolidate alliances and plaster over any cracks that threatened to appear.
  • (14) He went on to heap blame on Corrie for her own killing, arguing that, contrary to what "any reasonable person would have done", she "chose to put herself in danger" by trying to impede "a military activity meant to prevent terrorist activity".
  • (15) The far rightwing La Gaceta on a front page editorial heaped insults on the politicians who had voted for the ban, singling out the man who is likely to become the next Catalan president as "a separatist who hates everything Spanish".
  • (16) After weeks of open criticism, Die Welt also heaped praise on the German coaching team’s tactical flexibility.
  • (17) Pseudopolyps which represent polypoid oedematous tags, regenerating mucosal islands between ulcerations or heaped-up granulation tissue covered by epithelium, are a common sequela of ulcerative colitis and may also occur secondary to granulomatous colitis.
  • (18) Yet the Welsh government is set on building more roads like the M4 extension that will bring more harmful pollution and more congestion.” Alan Heaps, who runs a woodwork business from his house on the A472, agreed that radical action was needed.
  • (19) In an attempt to reduce the numbers of this pathogen in this sewage end product, the survival of L. monocytogenes was monitored in a heap of sewage sludge cake stored for over 23 weeks on farm land.
  • (20) The millionaires boom offers little consolation to Africans at the bottom of the heap: South Africa remains one of the most unequal societies in the world.