per chloroethylene

perchloroethylene

[per-klawr-oh-eth-uh-leen, -klohr-]
noun Chemistry.

Origin:
1870–75; perchloro- + ethylene

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World English Dictionary
perchloroethylene or perchloroethene (pəˌklɔːrəʊˈɛθɪliːn, pəˌklɔːrəʊˈɛθiːn)
 
n
a colourless liquid used as a dry-cleaning solvent. Formula: CCl2:CCl2
 
perchloroethene or perchloroethene
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
perchloroethylene   (pər-klôr'ō-ěth'ə-lēn')  Pronunciation Key 
See tetrachloroethylene.
The American Heritage® Science Dictionary
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