What's the difference between impenetrability and opacity?
Impenetrability
Definition:
(n.) Quality of being impenetrable.
(n.) That property in virtue of which two portions of matter can not at the same time occupy the same portion of space.
(n.) Insusceptibility of intellectual or emotional impression; obtuseness; stupidity; coldness.
Example Sentences:
(1) During the entire process the passage between the lumen and the intercellular space remained blocked by the tight junctions, as shown by their impenetrability to ferritin.
(2) Veering between a patronising video , a vague report and impenetrable financial data does not amount to openness and accountability.
(3) Similar results were obtained with subcutaneous or intraperitoneal thymus grafts and with thymus grafts within cell-impenetrable diffusion chambers.
(4) On the other hand, the performance of a material that is liquid-proof is absolute--it is impenetrable and can be accurately described as impervious.
(5) In a 70-page document that was largely ignored and almost completely impenetrable, he said the US intended to treat cyberspace as a military battleground.
(6) This last phenomenon appears to precede the entry of some axons into the neuropil and suggests that the glia limitans may not necessarily represent an impenetrable barrier to the passage of regenerating axons into the CNS.
(7) It appears that the major part of the exclusion volume is due to the collagen-fibril as a rod and the dextran coil as an impenetrable sphere.
(8) Some of the games are based around recognisable sports (like football), others around ancient samurai conflicts – but whatever the theme, the nature of the action is absolutely impenetrable to the casual onlooker.
(9) Many of the particles could therefore pass freely through tightly woven fabrics with pores up to 10-15 micrometer which might seem to be impenetrable to whole corneocytes, typically larger than 30 X 40 micrometer in the hydrated state.
(10) QSI's intentions are no doubt honest but if players as important as goalkeepers can be owned by anonymous third parties in impenetrable offshore companies the potential for match fixing is clear.
(11) The more complex a system, the more unintelligible and impenetrable is the map of possible side effects.
(12) Spontaneous postoperative expulsion of an IUD resulted in blockage or distortion of the anastomosis in 1 monkey; and in another the anastomosis was patent for a least 5 months, but later became impenetrable.
(13) Lactoperoxidase-catalyzed iodination (LCI) was carried out under impenetrable conditions in intact electroplax (where protein exposure on the external surface is monitored) and in split electroplax (where total protein labeling on both the external and internal monolayers of the plasma membrane bilayer is monitored).
(14) For 45 minutes, Arjen Robben twisted and turned with the ball only to find himself confronted by an impenetrable thicket of blue-shirted Brazil defenders.
(15) And viewed again in this mood, Libeskind's building, with its blank excoriated surfaces, looks closed to understanding; in material as in spirit, impenetrable.
(16) Subsequent chemical analysis of sperm-penetrable and impenetrable samples indicated that the concentrations of mucus nondialyzable solids (NDS), mucins, and soluble proteins were significantly higher in impenetrable specimens.
(17) The mites ate the germ before the endosperm, leaving an impenetrable layer of crushed endosperm cells between these regions.
(18) Two decades after Tutu made it a shining city of defiance amid seemingly impenetrable darkness, Cape Town is finding economic liberation harder than the political kind.
(19) Insensitivities at 190 and 100 nm were common to all five types of spores, indicating that these wavelengths were particularly impenetrant and absorbed by the outer layer materials.
(20) By announcing a huge programme of bond purchases , much bigger relative to the eurozone bond market than the quantitative easing implemented in the United States, Britain, or Japan, the ECB president, Mario Draghi, erected the impenetrable firewall that had long been needed to protect the monetary Union from a Lehman-style financial meltdown.
Opacity
Definition:
(n.) The state of being opaque; the quality of a body which renders it impervious to the rays of light; want of transparency; opaqueness.
(n.) Obscurity; want of clearness.
Example Sentences:
(1) Only seven films (or 0.7 percent of the entire cohort) showed nodular or rounded opacities of the type typically seen in uncomplicated silicosis.
(2) The results showed that dogfish lenses developed superficial opacities due to near-UV exposure.
(3) We examined 84 eyes with different lens opacities, the visual acuity was analysed in relation to the axial, cortical and capsular cataract.
(4) Presence of aspecific lens opacities also did not correlate with the risk of having inherited the DM gene.
(5) The opacity changes resulting from storage in water can be reduced by increasing the polymerization time.
(6) Correlation with high-resolution computed tomography in two patients indicated that this opacity represented a sagittal orientation of the anterior minor fissure, with resultant inferomedial curving of the right upper lobe of the lung along the right border of the heart.
(7) Complications of trachoma (trichiasis and opacities) were common in this age group compared to those under 6 years of age.
(8) In conclusion, obliteration of the inner margin of the central vein and the opacity that decreased the radiolucency extending to the peripheral side of the upper lobe bronchus are strongly suggestive of interlobar lymph node enlargement.
(9) Experiences with surgical treatment of chronic endogenous uveitis in human patients have shown that vision-impairing axial opacities in the vitreous body can be removed by pars plana vitrectomy, and that a considerable decrease in the frequency and severity of uveitic relapses results.
(10) There is all sorts of opacity which makes it easy for an employee to suffer retaliation.” Despite recent reforms to improve transparency and accountability, the organisation remains impervious to public scrutiny, with no established mechanism for freedom of information – a right which more than 100 governments around the world have enshrined in law, and is openly advocated by UN bodies such as Unesco.
(11) These include fibrosis with or without consolidation (n = 12), ground-glass opacities (n = 7), widespread bilateral consolidation (n = 2), and bronchial wall thickening with areas of decreased attenuation (n = 2).
(12) Breaks responsible for rhegmatogenous retinal detachments in 78 eyes could not be seen preoperatively owing to opacities in the media, previous buckling or other causes.
(13) Opacities increased with increasing concentrations of NaLS from 5 X 10(-4) M to 5 X 10(-2) M, but at 5 X 10(-1) M all corneal preparations showed a decrease in opacity.
(14) In an increasingly digital society, the justification for opacity in trade negotiations has met its demise, and it's time that we see modern legal instruments negotiated in a transparent and inclusive manner in order to get the best outcome for our country.
(15) However, liver function tests and eye examinations for possible lens opacities are advised, and further long term studies in larger groups of patients are necessary before the side effect profile of lovastatin will be clearly established.
(16) Electron microscopy of L1210 cells exposed a short time (90 min) to 0.21-21 microM DHAQ reveals segregation of nucleoli; the segregated granular portion shows increased electron opacity.
(17) Lenticular lesions were present in all but two of the 18 patients with detailed ocular examination, whereas corneal opacities were found more often in type II than type I disease.
(18) Each control animal also developed a local lens opacity at the site of the capsular tear, as did half the animals treated with the discrete pattern.
(19) A critical discussion of the different opinions on the significance of histological findings in relation to pulp tolerance is presented, and finally the significance of water uptake and radiological opacity is discussed.
(20) Concomitantly there were opacities seen on chest X-rays.