oncologist

1 of 2

noun

on·​col·​o·​gist än-ˈkäl-ə-jəst, äŋ- How to pronounce oncologist (audio)
: a specialist in oncology

oncology

2 of 2

noun

on·​col·​o·​gy än-ˈkäl-ə-jē, äŋ- How to pronounce oncology (audio)
plural oncologies
: a branch of medicine concerned with the prevention, diagnosis, treatment, and study of cancer
oncological adjective
also oncologic

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Cite this Entry

“Oncologist.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/oncologist. Accessed 6 Jul. 2026.

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