dichlorodiphenyldichloroethane

== English == === Etymology === From dichloro +‎ diphenyl +‎ dichloro +‎ ethane. === Noun === dichlorodiphenyldichloroethane (uncountable, abbreviation DDD) (organic chemistry) An organochlorine insecticide that is a metabolite of DDT. Synonyms: tetrachlorodiphenylethane, TDE Coordinate terms: dichlorodiphenyltrichloroethane, DDT