Definitions
from The Century Dictionary.
- In chem., pertaining to or obtained from osmium: as, osmic acid (H2OsO4).
from the GNU version of the Collaborative International Dictionary of English.
- adjective (Chem.) Pertaining to, derived from, or containing, osmium; specifically, designating those compounds in which it has a valence higher than in other lower compounds.
- adjective (Chem.), [Obs.] Osmic acid proper, an acid analogous to sulphuric acid, not known in the free state, but forming a well-known and stable series of salts (osmates), which were formerly improperly called
osmites . - adjective (Chem.) a white volatile crystalline substance, OsO4, the most stable and characteristic of the compounds of osmium. It has a burning taste, and gives off a vapor, which is a powerful irritant poison, violently attacking the eyes, and emitting a strong chlorinelike odor. Formerly improperly called
osmic acid .
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective chemistry, obsolete Pertaining to, derived from, or containing,
osmium ; specifically, designating thosecompounds in which it has a highervalence .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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The resultant puke itself, of course, added to the savage osmic holocaust which more than crime, more than despair, more than the appalling sense of victimisation and neglect turned those places (ghastly enough in their nylon carpeted, vending-machine, strip-lit healthy incarnations) into an idea of hell that the combined imaginations of Hieronymus Bosch, Dante and Antonin Artaud could never conjure up.
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Exhibition of 1883 were prepared in this manner, and such objects as the sea-anemones, with tentacles expanded as in life, may have been instantaneously killed by osmic acid.
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Osmium tetroxide (OsO_ {4}) is a very volatile liquid and is used under the name of osmic acid as a stain for sections in microscopy.
An Elementary Study of Chemistry William McPherson
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Diagram of medullated nerve fibers stained with osmic acid.
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The segments differ from each other as regards refraction and in their behavior toward coloring reagents; the inner segment is stained by carmine, iodine, etc.; the outer segment is not stained by these reagents, but is colored yellowish brown by osmic acid.
X. The Organs of the Senses and the Common Integument. 1c. 1. The Tunics of the Eye 1918
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They can be further recognized by their irregular form and ameboid processes, and by the fact that their cytoplasm has no affinity for ordinary stains, but assumes a brownish tinge when treated by osmic acid.
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The central portion is named the axis-cylinder; around this is a sheath of fatty material, staining black with osmic acid, named the white substance of Schwann or medullary sheath, which gives to the fiber its double contour, and the whole is enclosed in a delicate membrane, the neurolemma, primitive sheath, or nucleated sheath of Schwann (Fig. 633) 12
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Certain it is that he was keenly alive to the osmic accompaniment of every person or natural object.
Janey Canuck in the West Emily Ferguson 1910
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This dark central group of cells is surrounded by a lighter spherical membrane, consisting of sixty-four cube-shaped, small, and fine-grained cells which lie close together in a single stratum, and only colour slightly in osmic acid (Figure 1.72 e).
The Evolution of Man — Volume 1 Ernst Heinrich Philipp August Haeckel 1876
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Aliquots of adipocytes were fixed with osmic acid and counted in triplicate using Multisizer III (Beckman-Coulter, Hamburg, Germany).
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