Noun cacodyl has 2 senses
  1. cacodyl, tetramethyldiarsine - a poisonous oily liquid with a garlicky odor composed of 2 cacodyl groups; undergoes spontaneous combustion in dry air
    --1 is a kind of organic compound
  2. cacodyl, cacodyl group, cacodyl radical, arsenic group - the univalent group derived from arsine
    --2 is a kind of group, radical, chemical group
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