hexachlorocyclohexane
noun
hexa·chlo·ro·cy·clo·hex·ane
| \ ˌhek-sə-ˌklōr-ō-ˌsī-klō-ˈhek-ˌsān, -ˌklȯr-
\
\
Medical Definition of hexachlorocyclohexane
: a derivative of cyclohexane containing six atoms of chlorine
especially
: benzene hexachloride