1) Chemotherapeutical 
an agent of a chemical nature which exerts an antimicrobial effect.
Chemotherapeutic agents are those medications that are used to treat various forms of cancer. These medications are given in a particular regimen over a period of weeks. most chemotherapeutic medications have the ability to directly kill cancer cells. For this same reason, these medications can suppress the bone marrow to some degree, lowering whit...
Type: Term Pronunciation: kē′mō-thār-ă-pyū′tik Definitions: 1. Relating to chemotherapy.
[adj] - of or relating to chemotherapy
chemotherapeutic Of, relating to, or used in chemotherapy.
chemotherapeutical adjective of or relating to chemotherapy