ˌdēˌefˌdēˈtē noun
( -s )
Etymology: dif luoro- d iphenyl- t richloro-ethane
: a white solid compound (FC 6 H 4 ) 2 CHCCl 3 that is a partial fluorine analogue of DDT and is held to be less toxic to animals and fish than DDT and more toxic to flying insects