(ˈ)dī¦klō(ə)rˌväs, -lȯ(-, -vəs noun
( -es )
Etymology: dichlor- + v inyl + ph os phate
: an organophosphorus insecticide and anthelmintic C 4 H 7 Cl 2 O 4 P used especially in veterinary medicine; 2,2-dichlorovinyl dimethyl phosphate — called also DDVP