/duy ok"sin/ , n. Chem.
a general name for a family of chlorinated hydrocarbons, C 12 H 4 Cl 4 O 2 , typically used to refer to one isomer, TCDD, a by-product of pesticide manufacture: a toxic compound that is carcinogenic and teratogenic in certain animals. Also called TCDD Cf. Agent Orange .
[ 1965-70; DI- 1 + OX- + -IN 2 ]