trichloroethane

noun

tri·​chlo·​ro·​eth·​ane -ˈeth-ˌān 

: either of two nonflammable irritating liquid isomeric compounds C₂H₃Cl₃:

a

or 1,1,1-trichloroethane

ˈwən-ˈwən-ˈwən- 

: the isomer CH₃CCl₃ that is the parent compound of various insecticides (as DDT)

called also methyl chloroform

b

or 1,1,2-trichloroethane

-ˈtü- 

: the isomer CH₂ClCHCl₂ that is used chiefly as a solvent