Home › Words › T › terchlorethyleneterchlorethyleneterchlorethylene · noun — archaic name for trichloroethylene.Definition from Wiktionary (CC BY-SA 3.0).Among words judged in Lexicurio's Arena, terchlorethylene ranks #33,674 of 42,870 for Qualifying.EtymologyTer- + chlor- + ethylene (“ethyl (“eth- + -yl”) + -ene”)nounarchaic name for trichloroethyleneDefinitions & examples from Wiktionary (CC BY-SA 3.0).