TCDD

Pronunciation: ˌ t ē -( ˌ )s ē -( ˌ )d ē - ' d ē

Function: noun

Etymology: t etra- + c hlor- + d ibenzo- (containing two benzene rings) + d ioxin

Date: 1971

: a carcinogenic dioxin C 12 H 4 O 2 Cl 4 found especially as a contaminant in 2,4,5-T