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Definition of oncology

oncology

/ɒŋˈkɒl.ə.dʒi/
on · col · o · gy
Adverb:oncologically
•
Adjective:oncological
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oncology Lexical Profile

oncology Game Scores & Validity

• noun

1

The branch of medicine and medical science concerned with the study, diagnosis, treatment, and prevention of tumors and cancer.

Example

"After completing her internal medicine residency, she decided to specialize in pediatric oncology."

• Rhymes for oncology

• Nearby Words

once
oncidium
oncologist
oncology
oncoming
one
onega

Word Origin & Etymology

Coined in the mid-19th century from Ancient Greek 'onkos' (meaning 'mass', 'bulk', or 'tumor') and '-logia' (meaning 'study of'). The Greek physician Galen originally used the root 'onkos' in the 2nd century AD to describe all types of tumors and abnormal swellings.

Cite this Entry

Wordmom. (2026). Definition of Oncology. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/oncology
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