- a colorless, nonflammable, nonexplosive liquid, C2Cl4, used as a solvent, especially in dry cleaning.
Origin of tetrachloroethylene
1910–15; tetra- + chloroethylene
Also called perchloroethylene.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- A colorless, nonflammable organic liquid used in dry-cleaning solutions, as an industrial solvent, and as an agent for expelling or destroying parasitic intestinal worms. Also called perchloroethylene. Chemical formula: C2Cl4.
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