What it means
The root in words about tumors and cancer. Oncology is the study and treatment of cancer, an oncologist is a cancer doctor, and an oncology nurse cares for people with cancer.
At a glance
| Also written | onco- |
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Related terms
antineoplastic
A drug used to treat cancer by killing cancer cells or stopping them from growing and dividing.
-logy
A word ending that means the study of something.
tumor
An abnormal mass of tissue formed when cells grow and divide more than they should.