What is "dichloroethene"

n. (context chemistry English) Any of several isomeric organochlorides with the molecular formula C₂H₂Cl₂.

Dichloroethene or Dichloroethylene, often abbreviated as DCE, can refer to any one of several isomeric forms of the organochloride with the molecular formula CHCl:

There are three isomers:

• 1,1-Dichloroethene
• 1,2-Dichloroethene (E and Z)