What's the difference between compact and impact?

Compact


Definition:

  • (p. p. & a) Joined or held together; leagued; confederated.
  • (p. p. & a) Composed or made; -- with of.
  • (p. p. & a) Closely or firmly united, as the particles of solid bodies; firm; close; solid; dense.
  • (p. p. & a) Brief; close; pithy; not diffuse; not verbose; as, a compact discourse.
  • (v. t.) To thrust, drive, or press closely together; to join firmly; to consolidate; to make close; -- as the parts which compose a body.
  • (v. t.) To unite or connect firmly, as in a system.
  • (n.) An agreement between parties; a covenant or contract.

Example Sentences:

  • (1) The estimated DNA compaction ratio (approximately 3-fold) is consistent with a significant degree of nucleosome unfolding in the hyperstimulated BR genes.
  • (2) DNA compactization by protamines and histones HI is discussed in terms of the results obtained.
  • (3) At S-L clefts, paranodal-nodal regions, and Schwann cell nuclei, the axonal areas were smaller and the NF densities were higher than at compact myelinated regions.
  • (4) A compact attachment for microscope-type instruments is described enabling to introduce, rapidly and qualitatively, minute biological speciments into melted embedding medium and ensuring the safety of optics.
  • (5) Laminin was already present on the cell surface at the 2-cell stage, while nidogen was first detectable on compacted 8- to 16-cell stage morulae.
  • (6) Both types of molecules are compact and globular in shape and apparently contain beta-pleated sheet conformation.
  • (7) The tail region appeared to be cleaved off, making the head region less compact.
  • (8) Qualitatively the cell aspirator collected epithelial cells which were better preserved morphologically, but also a larger number of compact cell clusters.
  • (9) The ultrastructural study of nucleoli and ribonucleoprotein-containing structures in human seminiferous tubules revealed that the nucleoli of spermatogonia, spermatocytes and Sertoli cells exhibited a tripartite structure consisting of: a fibrillar center, a compact granular portion, and a reticular portion containing both pars fibrosa and pars granulosa.
  • (10) Compaction of the morula is a prerequisite for subsequent differentiation of the mouse embryo.
  • (11) Most double-helical segments were reactive to cobra venom ribonuclease to some degree; the exceptions were the five "long-range" helices that are probably compactly folded within the structure.
  • (12) During powder compaction on a Manesty Betapress, peak pressures, Pmax, are reached before the punches are vertically aligned with the centres of the upper and lower compression roll support pins.
  • (13) Based on these results we propose that the linearization of the DNA elution dose-response curve observed after chromatin decondensation reflects a reduction in the degree of chromatin compactness in the nuclear complexes that leads to a relatively uniform distribution of the DNA on the filter and reduces trapping of elutable material in the compact nuclear structures otherwise present.
  • (14) Cleavage to the compacted and cavitating stages was achieved in 78% and 69%, respectively, of human embryos cocultured in 24-48 hour human ampullary subcultures as compared to 50% and 33%, respectively, for embryos grown in culture medium alone.
  • (15) These observations strongly suggest that (i) GCN4 specifically recognizes the central base pair, (ii) the optimal half-site for GCN4 binding is ATGAC, not ATGAG, and (iii) GCN4 is a surprisingly flexible protein that can accommodate the insertion of a single base pair in the center of its compact binding site.
  • (16) In fact, the large scattering angle we chose, theta = 135 degrees, allowed us to assemble a very compact source-detector device.
  • (17) A monoclonal antibody to the cell adhesion molecule, E-cadherin, which mediates mouse embryo compaction, completely blocks compaction induced by these activators of PKC.
  • (18) At rostral levels, one third of the tracts are loosely built forming a king of curtain, while they become more compact at caudal levels.
  • (19) This shows that the compaction of chromatin associated with transcriptional inactivation does not require phosphorylation of H3 and suggests that the level of basal phosphorylation of H1 is not correlated with the intensity of transcription or DNA replication.
  • (20) After 8 days of incubation, SM subdivides into superficial (compact) and deep (disperse) sublaminae.

Impact


Definition:

  • (v. t.) To drive close; to press firmly together: to wedge into a place.
  • (n.) Contact or impression by touch; collision; forcible contact; force communicated.
  • (n.) The single instantaneous stroke of a body in motion against another either in motion or at rest.

Example Sentences:

  • (1) Technical factors that account for increased difficulty in these patients include: problems with guide catheter impaction and ostial trauma; inability to inflate the balloon with adequate guide catheter support; and need for increased intracoronary manipulation.
  • (2) McDonald said cutting better deals with suppliers and improving efficiency as well as raising some prices had only partly offset the impact of sterling’s fall against the dollar.
  • (3) A triphasic pattern was evident for the neck moments including a small phase which represented a seating of the headform on the nodding blocks of the uppermost ATD neck segment, and two larger phases of opposite polarity which represented the motion of the head relative to the trunk during the first 350 ms after impact.
  • (4) In addition, congenital anemias such as sickle cell disease can impact on the health of the mother and fetus.
  • (5) The effects of brain injury can be catastrophic and long-term so the impact of more research would be vast, but affected numbers are too small so it loses out.
  • (6) The impact of ending 500 years of shipbuilding in Portsmouth won't be seen in the data for a while.
  • (7) In Stage II patients, chemotherapy has an impact on disease mortality for ER-positive and ER-negative premenopausal women and possibly ER-negative postmenopausal patients.
  • (8) The matter is now in the hands of the Guernsey police and the law officers.” One resident who is a constant target of the paper and has complained to police, Rosie Guille, said the allegations had a “huge impact on morale” on the island.
  • (9) The Black pregnant teen is a microcosm of the impact of society on the most vulnerable.
  • (10) We propose that the results mainly reflect a variable local impact of infection control and that a much more restrictive use of IUTCs is possible in many wards.
  • (11) In assessing damaged nets and curtains it must be recognised that anything less than the best vector control may have no appreciable impact on holoendemic malaria.
  • (12) The pharmacological effects characterize reproterol as a bronchospasmolytic with preferential impact on the adrenergic beta2-receptors.
  • (13) The procedure includes identifying "critical individuals," i.e., those who would have the greatest impact on the lod scores, should their diagnostic status in fact change.
  • (14) He elaborates: "Republicans use powerful economic wedge issues to great impact.
  • (15) These agents may improve functional status, but in general have had little impact on survival.
  • (16) While much research has examined the aetiology and treatment of asthma, little work has been done on its social impact.
  • (17) Further development of meta-analysis in such an expanded way may have an important impact on decision-making in clinical medicine, and in health policies.
  • (18) Principal conclusions are: 1) rapid change to predominantly heterosexual HIV transmission can occur in North America, with serious societal impact; 2) gender-specific clinical features can lead to earlier diagnosis of HIV infection in women; 3) HIV infection in women does not pursue an inherently more rapid course than that observed in men.
  • (19) "I have to say that it is my expectation that they probably can be, because the data that we have to date is unlikely to show an adverse impact."
  • (20) The impact of ethnicity on the stress process in old age was examined using two surveys of Australians aged 60 years and older.