Pronunciation: ˌ d ē -( ˌ )d ē - ' t ē
Function: noun
Etymology: d ichlor- + d iphenyl + t richlor- (fr. tri- + chlor- )
Date: 1943
: a colorless odorless water-insoluble insecticide C 14 H 9 Cl 5 that is an aromatic organochlorine banned in the U.S. that tends to accumulate and persist in ecosystems and has toxic effects on many vertebrates