Definition of tumoricidal in English:

tumoricidal

Pronunciation /ˌtjuːmərɪˈsʌɪdl/

adjective

(also tumouricidal)
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.