Relating to chemotherapy.
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che·mo·ther·a·peu·tic -.ther-ə-'pyüt-ik also che·mo·ther·a·peu·ti·cal -i-kəl adj of, relating to, or used in chemotherapy
che·mo·ther·a·peu·ti·cal·ly -i-k(ə-)lē adv
chemotherapeutic or chemotherapeutical n an agent used in chemotherapy
Medical dictionary. 2011.