Definition of tumoricidal in English:
tumoricidal
(also tumouricidal)
adjective ˌtjuːmərɪˈsʌɪdl
Medicine Especially of a drug or treatment: that kills tumours or tumour cells. Also: designating the action of killing tumours or cells in this way; of or relating to this action.
Origin
1930s. From tumour + -icidal, after German tumorizid.