dioxathion

/D AY1 OW0 K S AE1 TH IY0 AH0 N/
noun
  1. 1

    (organic chemistry) p-dioxane-2,3-diyl ethyl phosphorodithioate, an organophosphate pesticide used as an insecticide on livestock and as an acaricide on citrus fruits, deciduous fruits, and nuts.