Arsenic (noun) Definition, Meaning & Examples

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noun
  1. a grayish-white element having a metallic luster, vaporizing when heated, and forming poisonous compounds. Symbol: As; atomic weight: 74.92; atomic number: 33.
  2. arsenic trioxide.
  3. a mineral, the native element, occurring in white or gray masses.
adjective ar·sen·ic [ahr-sen-ik] /ɑrˈsɛn ɪk/
  1. of or containing arsenic, especially in the pentavalent state.
noun (ˈɑːsnɪk)
  1. 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. a nontechnical name for arsenic trioxide
adjective (ɑːˈsɛnɪk)
  1. of or containing arsenic, esp in the pentavalent state
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    Arsenic (noun) Definition, Meaning & Examples

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