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EtymologyEdit

First attested 1857, from New Latin onco- (tumor), from Ancient Greek ὄγκος (ónkos, lump, mass, bulk) +‎ -logy (study of).

PronunciationEdit

NounEdit

oncology (countable and uncountable, plural oncologies)

  1. The branch of medicine concerned with tumors, including study of their development, diagnosis, treatment, and prevention.

Derived termsEdit

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