Arsenic

['ɑːs(ə)nɪk] or ['ɑrsnɪk]

解釋/意思:

(noun.) 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.

(noun.) a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer.

錄入:撒迦利亚--From WordNet

解釋/意思:

(n.) 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¡ 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.

(n.) Arsenious oxide or arsenious anhydride; -- called also arsenious acid, white arsenic, and ratsbane.

(a.) Pertaining to, or derived from, arsenic; -- said of those compounds of arsenic in which this element has its highest equivalence; as, arsenic acid.

安吉拉校對

同義詞及近義詞：

n. Arsenious acid.

校對:玛吉

解釋/意思:

n. one of the chemical elements: a mineral poison: a soft gray-coloured metal.—ns. Ar′senate Arsē′niate a salt of arsenic acid.—adjs. Arsen′ic -al composed of or containing arsenic: in chemistry applied to compounds; Arsē′nious of or containing arsenic.—n. Ar′senite a salt of arsenious acid.

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