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Eschar   Listen
noun
Eschar  n.  (Med.) A dry slough, crust, or scab, which separates from the healthy part of the body, as that produced by a burn, or the application of caustics.



Eschar  n.  (Written also eskar and esker)  (Geol.) In Ireland, one of the continuous mounds or ridges of gravelly and sandy drift which extend for many miles over the surface of the country, deposited by streams in meltwater channels under glaciers. Similar ridges in Scotland are called kames or kams. The spelling form esker is now the most commonly used, and the term is applied in geology to similar ridges created by glaciers anywhere in the world. Eskers vary in size and extent, but can be 100 feet high and up to 100 miles long.






Collaborative International Dictionary of English 0.48








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"Eschar" Quotes from Famous Books



... metallic poisons; and when applied to the external parts of the body, the nitrate is a powerful caustic, depriving those parts of all active vitality, and causing them to be thrown off by the neighboring living structures, in the form of an eschar. The nitrate and the other salts of silver ought, then, it would seem, if the theory be correct, to be poisonous; yet they may be administered internally with perfect impunity. From this apparent exception arises the strongest ...
— A System Of Logic, Ratiocinative And Inductive • John Stuart Mill

... of the polyp with a stylet on which cotton has been placed that has been dipped in aqua fortis (nitric acid). It is important that this cauterizing fluid should be rather strong so that after a certain number of touches a rather firm eschar is produced. In all these manipulations in the nose Arculanus recommends that the nose should be held well open by means of a nasal speculum. Pictures of all these instruments occur in his extant works, and indeed this constitutes one of their most interesting and ...
— Old-Time Makers of Medicine • James J. Walsh

... isolation rendered even more complete than now. Sunset came much earlier than it did outside this valley. The eastern hill, beyond the meadow, is more distant and not so high, and so the sunrises are comparatively early. Visitors interested in geology will find this hill an unusually good specimen of an eschar, a long ridge of glacial gravel set down in a meadow through which Fernside Brook curves on its way to its outlet in Country Brook. Job's Hill at the south rises so steeply from the right bank of ...
— Whittier-land - A Handbook of North Essex • Samuel T. Pickard

... recommended that the blade of the knife should be guarded by a tube. He used the seton and the cautery, which was much in vogue in his day, especially in cases of paralysis. He quotes Archigenes, who wrote: "I should not at all hesitate to make an eschar in the nape of the neck, where the spinal marrow takes its rise, two on each side of it ... and if the ulcers continue running a good while, I should not doubt of ...
— Outlines of Greek and Roman Medicine • James Sands Elliott

... with a stylet on which cotton has been placed that has been dipped in aqua fortis (nitric acid). It is important that this cauterizing fluid should be rather strong so that after a certain number of touches a rather firm eschar is produced. In all these manipulations in the nose Arculanus recommends that the nose should be held well open by means of a nasal speculum. Pictures of all these instruments occur in his extant works, and indeed ...
— Old-Time Makers of Medicine • James J. Walsh



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