Definition of perchloroethylene
: a colorless nonflammable toxic liquid C2Cl4 used often as a solvent in dry cleaning and for removal of grease from metals
First Known Use of perchloroethylene
Medical Definition of perchloroethylene
: a toxic nonflammable carcinogenic liquid C2Cl4 often used as a solvent in dry cleaning and for removal of grease from metals—called also perc, tetrachloroethylene
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