PERCHLOROETHYLENE Meaning of PERCHLOROETHYLENE in English [ pəˌklɔ:rəʊ'ɛθɪli:n ]■ noun a toxic volatile solvent used as a dry-cleaning fluid. [C 2 Cl 4 .] Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004