Professional or Occupational Group
oncologist Audio
on·col·o·gist [ on-kah-loh-jist ]
Definitions related to oncologists:
  • A doctor who specializes in treating cancer. Some oncologists specialize in a particular type of cancer treatment. For example, a radiation oncologist specializes in treating cancer with radiation.
    NCI Dictionary of Cancer Terms
    U.S. National Cancer Institute, 2021
  • A physician who deals with the diagnosis and treatment of cancer. There are three types�medical oncologists, radiation oncologists, and surgical oncologists.
    Harvard Dictionary of Health Terms
    Harvard Medical Publishing, 2011
  • A physician who specializes in the diagnosis and treatment of cancer.
    NCI
    U.S. National Cancer Institute, 2021
  • Physicians specializing in MEDICAL ONCOLOGY or its sub-specialties of RADIATION ONCOLOGY or SURGICAL ONCOLOGY.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
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