klōrˈambyəˌsil, klȯr- noun
( -s )
Etymology: chlor oethyl + am in- + bu tyri c + -il
: an anticancer drug C 14 H 19 Cl 2 NO 2 that is a derivative of nitrogen mustard and is used especially to treat leukemias, multiple myeloma, some lymphomas, and Hodgkin's disease