(n.) A faint, cloudlike, self-luminous mass of matter situated beyond the solar system among the stars. True nebulae are gaseous; but very distant star clusters often appear like them in the telescope.
(n.) A white spot or a slight opacity of the cornea.
(n.) A cloudy appearance in the urine.
Example Sentences:
(1) Nor is there much sign of Thanos, the studio's go-to background baddie, though his minion Nebula turns up in the form of Doctor Who's shaven-headed Karen Gillan.
(2) However, exposure to infection may result in temporary conjunctival inflammation and more persistant stromal nebulae.
(3) It won the prestigious Nebula and Hugo awards, and was added to the official reading list of the US marines .
(4) These nebulae do not flatten when contact lens wear is discontinued.
(5) Cercariae remaining in the cornea became the centres of stromal nebulae 0.1-0.2 mm across which remained visible for at least 3 months.
(6) "In one billion years, the sun will begin its red giant stage, increasing terrestrial temperatures above 1,000 degrees, boiling off our atmosphere, eventually forming a planetary nebula, making Earth inhospitable to life," he wrote.
(7) But the community morphed into a nebula for antisocial crime, poverty and discontent; blighted by asbestos, death, joblessness and cyclical deprivation.
(8) We describe a simple technique of superficial keratectomy to remove proud nebulae in which the resulting defect healed quickly under a therapeutic hydrogel lens.
(9) To arrange an interview some years back took a written letter to his apartment in Edinburgh's New Town followed by a wait of several months, after which a reply arrived – handwritten in ink – in an envelope sporting a stamp of the Crab Nebula.
(10) That includes the Blue Marble, a photograph taken by the Apollo 17 crew as they travelled towards the moon in 1972, the “first selfie in space”, taken by Buzz Aldrin during a spacewalk in 1966, and the Eagle Nebula’s Pillars of Creation, taken by the Hubble Space Telescope, most recently in 2014.
(11) These giant white ears are cocked to interstellar whispers: the formation of stars, nebulae and supernovae.
(12) Known as the Helix nebula, the fading star belongs to a class of celestial objects named "planetary nebulae" in the 18th century, after their likeness to gas giants, such as Jupiter.
(13) Best known for her children's fantasy series the Earthsea quartet, and for the science fiction title The Left Hand of Darkness, Le Guin is the author of 21 novels, 11 volumes of short stories, three collections of essays, 12 books for children, six volumes of poetry and four of translation, and the recipient of literary awards including the Hugo, Nebula and National Book award.
(14) For years now, the wallpaper on my computer has been a picture from one of Nasa's many troves of stunning photos, sometimes a distant nebula or galaxy or close-up of a nearby planet or Earth.
(15) "The sense that there's a bridge, that a hand can be extended, and you can step from the Earth, from the supermarket car park, into the Andromeda nebulae or whatever."
(16) Contact lens intolerance in keratoconus may be due to the formation of a proud nebula at or near the apex of the cone that gives rise to contact lens related abrasions.
(17) The role and relative contributions of different forms of energy to the synthesis of amino acids and other organic compounds on the primitive earth, in the parent bodies or carbonaceous chondrites, and in the solar nebula are examined.
(18) Among them are the first sketches of nebulae by Sir John Herschel, who visited South Africa with a telescope in the 1830s, and Newton's death mask.
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.