• Definition for "arsenic"
    • a very toxic metallic factor having three allotropic…
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arsenic definition

  • noun:
    • a very toxic metallic factor having three allotropic types, yellowish, black, and gray, of which the brittle, crystalline gray is one of typical. Arsenic and its own substances are employed in insecticides, weed killers, solid-state doping agents, and various alloys. Atomic number 33; atomic body weight 74.922; valence 3, 5. Gray arsenic melts at 817°C (at 28 atm pressure), sublimes at 613°C, and has a specific gravity of 5.73. See Dining Table at factor.
    • Arsenic trioxide.
    • A nonmetallic substance factor (symbol As) with an atomic range 33.
    • Arsenic trioxide.
    • one of many elements, a great material resembling a metal in its physical properties, in its chemical relations ranking aided by the nonmetals. It is of a steel-gray shade and brilliant luster, though generally dull from tarnish. It is very brittle, and sublimes at 356° Fahrenheit. It's sometimes found indigenous, but often along with silver, cobalt, nickel, iron, antimony, or sulphur. Orpiment and realgar are two of the sulphur substances, the very first of which may be the real arsenicum associated with ancients. The element and its particular substances are active poisons. Specific gravity from 5.7 to 5.9. Atomic body weight 75. Sign As.
    • Arsenious oxide or arsenious anhydride; -- called additionally arsenious acid, white arsenic, and ratsbane.
    • A yellow mineral, known as especially yellowish arsenic; the trisulphid of this element to which it's provided its title; orpiment.
    • Chemical representation, As; atomic fat, 75. A chemical factor having a grayish-white shade, a metallic luster, and a specific gravity of 5.727.
    • the most popular title of arsenic trioxid (As2O3), the preparation of arsenic usually retailed in trade. See above.
    • a white powdered poisonous trioxide of arsenic; used in manufacturing cup and as a pesticide (rat poison) and weed-killer
    • a really poisonous metallic factor with three allotropic kinds; arsenic and arsenic substances are used as herbicides and insecticides and differing alloys; present in arsenopyrite and orpiment and realgar
  • adjective:
    • Of or containing arsenic, specifically with valence 5.
    • Of, or containing arsenic with a valence of 5.
    • with respect to, or produced from, arsenic; -- stated of these compounds of arsenic by which this element has its own highest equivalence.
  • others:
    • Containing arsenic; particularly, containing arsenic in smaller proportion than arsenious substances. See arsenious.
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