per·chlor·o·eth·yl·ene 
(pər-klôr′ō-ĕthə-lēn′)
(pər-klôr′ō-ĕthə-lēn′)n. Abbr. PCE
A colorless, nonflammable chlorocarbon, C2Cl4, used in dry-cleaning solutions and as an industrial solvent.
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