Definitions

1. noun

the branch of medicine dealing with the study and treatment of tumors and cancers

“The oncology department at the hospital specializes in cancer research.”

2. noun

a branch of biology dealing with the study of tumors and cancer

“The oncology team used advanced technology to analyze the patient’s tumor.”

3. noun

the study of tumors and cancer

“The oncology research lab was focused on developing new cancer treatments.”