oncology
noun
on·col·o·gy
än-ˈkä-lə-jē 
äŋ-
: a branch of medicine concerned with the prevention, diagnosis, treatment, and study of cancer
Examples of oncology in a Sentence
Recent Examples on the Web
This is all about augmenting its oncology portfolio ahead of top-selling cancer drug Keytruda losing its patent protection in 2028.
—
Jim Cramer, CNBC, 25 Mar. 2026
But Van Naarden not only now runs all of Eli Lilly’s oncology efforts in research and development, but as of 2025 served as the company’s head of business development, overseeing all dealmaking for a company that now claims the highest stock market value in the pharmaceutical industry.
—Matthew Herper, STAT, 25 Mar. 2026
In January, Larijani’s daughter, Fatemeh Ardeshir-Larijani, left her position as an assistant professor in the department of hematology and medical oncology at the medical school of Emory University, according to The Emory Wheel, the student newspaper at the university.
—Alexander Smith, NBC news, 17 Mar. 2026
While any leukemia diagnosis is frightening, the prognosis for hairy cell leukemia is generally excellent with treatment, Tsarwhas, the LFH oncology director, noted.
—Daniel I. Dorfman, Chicago Tribune, 16 Mar. 2026
See All Example Sentences for oncology
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Jim Cramer, CNBC, 25 Mar. 2026
But Van Naarden not only now runs all of Eli Lilly’s oncology efforts in research and development, but as of 2025 served as the company’s head of business development, overseeing all dealmaking for a company that now claims the highest stock market value in the pharmaceutical industry.
—Matthew Herper, STAT, 25 Mar. 2026
In January, Larijani’s daughter, Fatemeh Ardeshir-Larijani, left her position as an assistant professor in the department of hematology and medical oncology at the medical school of Emory University, according to The Emory Wheel, the student newspaper at the university.
—Alexander Smith, NBC news, 17 Mar. 2026
While any leukemia diagnosis is frightening, the prognosis for hairy cell leukemia is generally excellent with treatment, Tsarwhas, the LFH oncology director, noted.
—Daniel I. Dorfman, Chicago Tribune, 16 Mar. 2026
See All Example Sentences for oncology
Cite this Entry
“Oncology.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oncology. Accessed 30 Mar. 2026.
Copy CitationKids Definition
oncology
noun
on·col·o·gy
än-ˈkäl-ə-jē
: a branch of medicine concerned with the study and treatment of tumors
Medical Definition
oncology
noun
on·col·o·gy
än-ˈkäl-ə-jē, äŋ-
plural oncologies
: a branch of medicine concerned with the prevention, diagnosis, treatment, and study of cancer
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