ethylene dichloride
noun
variants:
or ethylene chloride
Definition of ethylene dichloride
: a colorless heavy toxic liquid compound CICH2CH2Cl that has an odor like chloroform, is made usually by direct union of ethylene and chlorine, and is used chiefly as a solvent (as for fats and oils) and insecticidal fumigant; 1,2-dichloro-ethane