osteosarcoma
noun
os·te·o·sar·co·ma
ˌä-stē-ō-sär-ˈkō-mə 
plural osteosarcomas also osteosarcomata
ˌä-stē-ō-sär-ˈkō-mə-tə
: a sarcoma derived from bone or containing bone tissue
Examples of osteosarcoma in a Sentence
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His X-rays showed a mass, and his parents took him to a children's hospital, leading to the eventual diagnosis of osteosarcoma, which begins in the cells that create bones, and is most often diagnosed in teens and young adults, according to the Mayo Clinic.
—
Sam Gillette, People.com, 7 Aug. 2025
In January 2025, OST reported the results of its Phase 2b human clinical trials of OST-HER2 for osteosarcoma that had spread to the lungs and been completely surgically removed.
—Paul McClure 26, New Atlas, 26 May 2025
Xana was nine when she was diagnosed with osteosarcoma, a rare form of bone cancer.
—Jack Lang, New York Times, 27 May 2025
Spontaneously appearing animal cancers share features with human cancers, like osteosarcoma (bone cancer), prostate and breast cancers, non-Hodgkin lymphoma, and melanoma.
—Paul McClure 26, New Atlas, 26 May 2025
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Sam Gillette, People.com, 7 Aug. 2025
In January 2025, OST reported the results of its Phase 2b human clinical trials of OST-HER2 for osteosarcoma that had spread to the lungs and been completely surgically removed.
—Paul McClure 26, New Atlas, 26 May 2025
Xana was nine when she was diagnosed with osteosarcoma, a rare form of bone cancer.
—Jack Lang, New York Times, 27 May 2025
Spontaneously appearing animal cancers share features with human cancers, like osteosarcoma (bone cancer), prostate and breast cancers, non-Hodgkin lymphoma, and melanoma.
—Paul McClure 26, New Atlas, 26 May 2025
See All Example Sentences for osteosarcoma
Cite this Entry
“Osteosarcoma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/osteosarcoma. Accessed 19 Aug. 2025.
Copy CitationMedical Definition
osteosarcoma
noun
os·teo·sar·co·ma
-sär-ˈkō-mə
plural osteosarcomas also osteosarcomata
-mət-ə
: a sarcoma derived from bone or containing bone tissue
called also osteogenic sarcoma
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