[te-truh-klawr-oh-eth-uh-leen, -klohr-]

Origin of tetrachloroethylene

1910–15; tetra- + chloroethylene
Also called perchloroethylene.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

tetrachloroethylene in Science


  1. 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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.