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Noun: tetramethyldiarsine  ,te-tru,me-thul,dI-aa(r)'seen
  1. A poisonous oily liquid with a garlicky odour composed of 2 cacodyl groups; undergoes spontaneous combustion in dry air
    "Tetramethyldiarsine is extremely dangerous to handle due to its spontaneous combustion in air";
    - cacodyl

Type of: organic compound