arsenic

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ar·se·nic

 (är′sə-nĭk)
n.
1. Symbol As A highly poisonous metallic element having several allotropic forms of which the brittle, crystalline gray metallic form is the most common. The less stable yellow allotrope has a molecular structure, As4. Arsenic and its compounds are used in insecticides, weed killers, semiconductor dopants, and various alloys. Atomic number 33; atomic weight 74.9216; valence 3, 5. Gray arsenic melts at 817°C (at 28 atm pressure), sublimes at 616°C, and has a specific gravity of 5.75. See Periodic Table.
2. Arsenic trioxide.
adj. ar·sen·ic (är-sĕn′ĭk)
Of or containing arsenic, especially with valence 5.

[Middle English arsenik, from Old French, from Latin arsenicum, from Greek arsenikon, yellow orpiment, alteration of Syriac zarnīkā, from Middle Persian *zarnīk, from Old Iranian *zarna-, golden; see ghel- in Indo-European roots.]

arsenic

n
1. (Elements & Compounds) a toxic metalloid element, existing in several allotropic forms, that occurs principally in realgar and orpiment and as the free element. It is used in transistors, lead-based alloys, and high-temperature brasses. Symbol: As; atomic no: 33; atomic wt: 74.92159; valency: –3, 0, +3, or +5; relative density: 5.73 (grey); melting pt: 817°C at a pressure of 3MN/m2 (grey); sublimes at 613°C (grey)
2. (Elements & Compounds) a nontechnical name for arsenic trioxide
adj
(Elements & Compounds) of or containing arsenic, esp in the pentavalent state
[C14: from Latin arsenicum, from Greek arsenikon yellow orpiment, from Syriac zarnīg (influenced in form by Greek arsenikos virile)]

ar•se•nic

(n. ˈɑr sə nɪk, ˈɑrs nɪk; adj. ɑrˈsɛn ɪk)

n.
1. a grayish white element having a metallic luster, vaporizing when heated, and forming poisonous compounds. Symbol: As; at. wt.: 74.92; at. no.: 33.
adj.
3. of or containing arsenic, esp. in the pentavalent state.
ar•sen•ic
[1350–1400; Middle English arsenicum < Latin < Greek arsenikón orpiment, yellow mineral used as a pigment, n. use of neuter of arsenikós virile (ársēn male, strong + -ikos -ic)]

ar·se·nic

(är′sə-nĭk)
Symbol As A nonmetallic element most commonly occurring as a gray crystal, but also found as a yellow crystal and in other forms. Arsenic and its compounds are highly poisonous and are used to make insecticides, weed killers, and various alloys. Atomic number 33. See Periodic Table.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.arsenic - a white powdered poisonous trioxide of arsenicarsenic - a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer
trioxide - an oxide containing three atoms of oxygen in the molecule
2.arsenic - a very poisonous metallic element that has three allotropic formsarsenic - 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
chemical element, element - any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
arsenopyrite, mispickel - a silver-white or grey ore of arsenic
orpiment - a yellow mineral occurring in conjunction with realgar; an ore of arsenic
realgar - a rare soft orange mineral consisting of arsenic sulphide; an important ore of arsenic
herbicide, weed killer, weedkiller - a chemical agent that destroys plants or inhibits their growth
insect powder, insecticide - a chemical used to kill insects
Translations
سُم الزَّرْنِيخمادَّة الزَرْنيخ
arzenarzenik
arsenarsenik
arsenikoarseno
arseen
arseeniarsenikki
arsen
arzén
arsenarsenik
arsenas
arsēns
arsen
arzénarzenik
arzen
arsenik
arsenik
asen

arsenic

[ˈɑːsnɪk] Narsénico m

arsenic

[ˈɑːrsənɪk] narsenic m

arsenic

nArsen nt, → Arsenik nt; arsenic poisoningArsenvergiftung f

arsenic

[ˈɑːsnɪk] narsenico

arsenic

(aːsnik) noun
1. an element used to make certain poisons.
2. a poison made with arsenic.

ar·se·nic

n. arsénico;
___ poisoningenvenenamiento por ___.

arsenic

n arsénico; — trioxide trióxido de arsénico