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12 definitions found for arsenic
Arsenic 'ARSENIC, n. [Gr.'L. arsenicum.]
arsenic n 1: a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer [syn: arsenic, arsenic trioxide, arsenous anhydride, arsenous oxide, white arsenic, ratsbane] 2: a very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar [syn: arsenic, As, atomic number 33]
arsenic - babmak
arsenic arcsine cerasin
arsenic I. noun Etymology: Middle English arsenik orpiment, from Anglo-French & Latin; Anglo-French, from Latin arsenicum, from Greek arsenikon, arrhenikon, from Syriac zarnīg, of Iranian origin; akin to Avestan zaranya gold, Sanskrit hari yellowish — more at yellow Date: 14th century 1. a trivalent and pentavalent metalloid poisonous element that is commonly metallic steel gray, crystalline, and brittle and is used especially in wood preservatives, alloys, and semiconductors — see element table 2. a poisonous trioxide As2O3 or As4O6 of arsenic used especially as an insecticide or weed killer — called also arsenic trioxide II. adjective Date: 1801 of, relating to, or containing arsenic especially with a valence of five
arsenic
arsenic Arsenic is a very strong poison which can kill people. N-UNCOUNT
arsenic ̘. ̈n.ˈɑ:snɪk n. & adj. --n. 1 a non-scientific name for arsenic trioxide, a highly poisonous white powdery substance used in weed-killers, rat poison, etc. 2 Chem. a brittle semi-metallic element, used in semiconductors and alloys. °Symb.: As. --adj. 1 of or concerning arsenic. 2 Chem. containing arsenic with a valency of five. øred arsenic = REALGAR. white arsenic = sense 1. øøarsenious adj. [ME f. OF f. L arsenicum f. Gk arsenikon yellow orpiment, identified with arsenikos male, but in fact f. Arab. al-zarnik f. al the + zarnik orpiment f. Pers. f. zar gold]
Arsenic Ar*sen"ic, a. (Chem.) Pertaining to, or derived from, arsenic; -- said of those compounds of arsenic in which this element has its highest equivalence; as, arsenic acid.
Arsenic Ar"se*nic ([aum]r"s[-e]*n[i^]k; 277), n. [L. arsenicum, Gr. 'arseniko`n, 'arreniko`n, yellow orpiment, perh. fr. 'arseniko`s or better Attic 'arreniko`s masculine, 'a`rrhn male, on account of its strength, or fr. Per. zern[=i]kh: cf. F. arsenic.] 1. (Chem.) One of the elements, a solid substance resembling a metal in its physical properties, but in its chemical relations ranking with the nonmetals. It is of a steel-gray color and brilliant luster, though usually dull from tarnish. It is very brittle, and sublimes at 356[deg] Fahrenheit. It is sometimes found native, but usually combined with silver, cobalt, nickel, iron, antimony, or sulphur. Orpiment and realgar are two of its sulphur compounds, the first of which is the true arsenicum of the ancients. The element and its compounds are active poisons. Specific gravity from 5.7 to 5.9. Atomic weight 75. Symbol As. 2. (Com.) Arsenious oxide or arsenious anhydride; -- called also arsenious acid, white arsenic, and ratsbane.
arsenic n. See arsenious oxide.
25 Moby Thesaurus words for "arsenic": DDD, DDT, Paris green, antimony, arsenic trioxide, beryllium, bichloride of mercury, cadmium, carbolic acid, carbon monoxide, carbon tetrachloride, chlorine, cyanide, hydrocyanic acid, hyoscyamine, lead, mercuric chloride, mercury, mustard gas, nicotine, phenol, poison gas, prussic acid, selenium, strychnine |
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