Definition of cacodyl in English:


Pronunciation /?kak??dil/ /?k?k??d?l/


  • 1Chemistry
    A malodorous, toxic, spontaneously flammable liquid compound containing arsenic.

    Chemical formula: ((CH?)?As)?

    ‘The investigation and identification of cacodyl by Bunsen in 1848 was to mark the beginning of the era of organometallic chemistry.’
    • ‘She had previously tackled cacodyl, ogygian and zeitgeber.’
    • ‘There he distilled arsenic with potassium acetate to arrive at a cacodyl (also known as alkarsine or Cadet's liquid), a malodorous compound that the named after the Greek term for ‘stinky’ (kak dl s).’
    • ‘Berzelius coined the name kakodyl (later changed to cacodyl) for the dimethylarsinyl radical ((CH 3) 2 As) from the Greek kakodes (evil-smelling) and hyle (matter).’
    1. 1.1as modifier Of or denoting the radical —As(CH?)?, derived from cacodyl.


Mid 19th century from Greek kakōdēs ‘stinking’ (from kakos ‘bad’) + -yl.