# oncologist

/ɑŋˈkɑɫədʒɪst/ (US) · /ɒnkˈɒlədʒˌɪst/ (UK) · CEFR C1 · Noun

Source: https://englishreference.com/word/oncologist
Updated: 2026-05-26

## Definition

a doctor who specializes in treating cancer. They work with patients to find the best way to fight the disease.

For teachers: a physician who specializes in the diagnosis, treatment, and care of patients with cancer. Often distinguished by subspecialties such as medical, surgical, or radiation oncology.

## Examples

- The oncologist explained the different treatment options to the patient.
- After the biopsy results came back, the patient was referred to an oncologist for a detailed treatment plan.
- Advances in targeted therapies have allowed the oncologist to tailor the chemotherapy regimen to the specific genetic profile of the tumor, significantly improving the patient's prognosis.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.
