Dictionary.com
Thesaurus.com

phosphamidon

American  
[fos-fam-i-don] / fɒsˈfæm ɪˌdɒn /

noun

Chemistry.
  1. a systemic and contact insecticide, C 1 0 H 1 9 ClNO 5 P, used against beetles, aphids, mites, and other crop pests.


Etymology

Origin of phosphamidon

1955–60; perhaps phosph(ate) + amide + -on 1