perchloroethylene [per-klawr-oh-eth-uh-leen, -klohr-] Word Origin noun Chemistry.
Origin of perchloroethylene First recorded in 1870–75; perchloro- + ethylene British Dictionary definitions for perchloroethylene perchloroethylene perchloroethene (pəˌklɔːrəʊˈɛθiːn) noun
- a colourless liquid used as a dry-cleaning solvent. Formula: CCl 2 :CCl 2
perchloroethylene in Science perchloroethylene [pər-klôr′ō-ĕth′ə-lēn′]
- See tetrachloroethylene.