noun

oncology

ong-KO-luhd-zhee

noun

The branch of medicine dealing with the diagnosis, treatment, and study of cancer.

"She works in the oncology department of the hospital."

How to Use Oncology

Learner’s notes

In plain EnglishThe medical field focused on cancer.

Common pairings

oncology ward pediatric oncology

oncologies plural

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She works in the _____ department of the hospital.

From Greek onkos ("mass" or "tumor") plus -logy ("study of"); first recorded in English in 1857.

eulogy apology zoology biology ecology analogy geology trilogy theology ideology pathology mythology