dichloroethane
nounEtymology From di- + chloroethane (di- + chloro- + ethane).
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Chemistry, Natural sciences, Organic chemistry, Physical sciences Either of two isomeric organochlorides with the molecular formula C₂H₄Cl₂: 1,1-dichloroethane (ethylidene dichloride) and 1,2-dichloroethane (ethylene dichloride).