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Opacity   Listen
noun
Opacity  n.  
1.
The state of being opaque; the quality of a body which renders it impervious to the rays of light; want of transparency; opaqueness.
2.
Obscurity; want of clearness.






Collaborative International Dictionary of English 0.48








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"Opacity" Quotes from Famous Books



... assuredly no common tadpoles, and an intolerant pollywog offers worthy research for the naturalist. Straining their medium of its opacity, I drew off the clayey liquid and replaced it with the clearer brown, wallaba-stained water of the Mazaruni; and thereafter all their doings, all their intimacies, were at my mercy. I felt as must have felt the first aviator who flew unheralded over an oriental city, with its patios and ...
— Edge of the Jungle • William Beebe

... fog, and the special boat train had dashed through the same dense atmosphere to the home of fogs and soot, London, and in the whole journey to his hotel the young American had seen nothing of the mother country but telegraph-poles scudding through opacity on the railway journey, and in London the loom of buildings and lights ...
— The Best Short Stories of 1920 - and the Yearbook of the American Short Story • Various

... this ample personal testimony in his books it should be easy to state his Lebensanschauung, unless the opacity of his manner blocks the way or he indulges in self-contradiction in the manner of a Nietzsche. Such is not the case. What is the philosophy ...
— Masters of the English Novel - A Study Of Principles And Personalities • Richard Burton

... of colour began to flush Victor's cheeks, a smile modified the set of his mouth, the heavy-lidded eyes lost their lustreless opacity and glimmered with ...
— Red Masquerade • Louis Joseph Vance

... incantation, or struck out by an accident. And of late, among our leading masters, the loss has not been merely of the system of the ancients, but of all system whatsoever: the greater number paint as if the virtue of oil pigment were its opacity, or as if its power depended on its polish; of the rest, no two agree in use or choice of materials; not many are consistent even in their own practice; and the most zealous and earnest, therefore the most discontented, reaching impatiently ...
— On the Old Road Vol. 1 (of 2) - A Collection of Miscellaneous Essays and Articles on Art and Literature • John Ruskin

... only a miracle could have wrought it. The next day he gave the following testimony: "I the undersigned, can certify on oath, that five years ago, I examined Mary Cote's eyes, and found that the small-pox had produced opacity of the cornea of both, or the disease called leucoma. I pronounced the case incurable, and refused in consequence to prescribe medical treatment. I certify that I re-examined the same little girl on the 4th of September, 1867, and that I cannot ...
— The Life of the Venerable Mother Mary of the Incarnation • "A Religious of the Ursuline Community"

... was returning to the entrance, the wind rolled him over a few times, causing him to lose his bearings. It was blowing a hurricane, the temperature was -70 F., and the drift-snow was so thick as to be wall-like in opacity. He abandoned his load of coal, and, after searching about fruitlessly for some time in the darkness, he decided to wait for dawn. Hurley found him about twenty yards from the ...
— The Home of the Blizzard • Douglas Mawson

... sometimes it is fire combined with the earthy element; sometimes it passes through the pores of vessels, sometimes these are impervious to it; it explains both causticity and non-causticity, transparency and opacity, colours and their absence; it is a veritable Proteus changing in form at each instant." Lavoisier may be justly regarded as the founder of modern or quantitative chemistry. First and foremost, he demanded that the balance must be ...
— Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 - "Chtelet" to "Chicago" • Various

... young girl at Moorfields who had a small effusion of blood into the anterior chamber of the eye at the menstrual period, which became absorbed during the intervals of menstruation. Blair relates the history of a case of vicarious menstruation attended with conjunctivitis and opacity of the cornea. Law speaks of a plethoric woman of thirty who bled freely from the eyes, though ...
— Anomalies and Curiosities of Medicine • George M. Gould

... the condition of these and their condensation and compression that the translucency is largely due. This may be shown by compressing with the fingers the eye of an ox which has just been killed, when the clear transparent cornea will suddenly become clouded over with a whitish-blue opacity, and this will remain until the compression is interrupted. The interior of the eye contains three transparent media for the refraction of the rays of light on their way from the cornea to the visual nerve. Of these media the anterior one (aqueous humor) is liquid, the posterior ...
— Special Report on Diseases of the Horse • United States Department of Agriculture

... which hung over the town, and concealed the dome and tower from view—a blood-red cross appearing to shine in the heavens and rest upon Birmingham. As the traveller approached the town on that side the opacity of the fog gradually diminished until, when about three miles away, the broad lines of light which spanned the dome appeared in sight, and, magnified by the thin vapour through which they were refracted, ...
— Showell's Dictionary of Birmingham - A History And Guide Arranged Alphabetically • Thomas T. Harman and Walter Showell

... than two or three grains to the ounce of water. The effect of this is to turn the white parts to a brilliant yellow, quite impervious to actinic rays. This process is only applicable to weak negative or instantaneous pictures, as, if used on a picture of much intensity, the opacity produced is too great. By using, however, instead of the iodide of potassium, a weak solution of ammonia, as recommended by Mr. Hunt, a less degree of intensity may be produced again a less intensity by hyposulphate of soda and a less degree again, but still ...
— Notes and Queries, Number 207, October 15, 1853 • Various

... outlines of the monster's torso and arms came into view, semi-transparent but clouding rapidly to opacity. Then it glinted with the barely visible violet, a solid once more, rigid and motionless. It was a lifeless mechanism, for the source of its energy had been cut off. Eddie had an almost irresistible impulse ...
— Astounding Stories, March, 1931 • Various

... quite puts Sally in spirits—the rapid crescendo of the hissing steam, the gleaming boiler-dome that might be the fruitful mother of all the helmets that hang about her skirts, the sudden leaping of the whole from the turgid opacity behind and equally sudden disappearance into the void beyond, the vanishing "Fire!" cry from which all consonants have gone, leaving only a sound of terror, all confirm her view of the fog as a lark. For, you see, Sally believed the Major ...
— Somehow Good • William de Morgan

... work, from somewhere deep within, there radiated outward something of that internal glow which never entirely fades from the canvases of the old masters—which survives mould and age, the opacity of varnish, and the well-intentioned maltreatment ...
— The Danger Mark • Robert W. Chambers



Words linked to "Opacity" :   muddiness, fuzziness, radio-opacity, incomprehensibility, blurriness, clarity, indistinctness, opaque, softness, opaqueness



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