osteosarcoma

American

[os-tee-oh-sahr-koh-muh] / ˌɒs ti oʊ sɑrˈkoʊ mə /

noun

Pathology.

plural

osteosarcomas, osteosarcomata

a malignant tumor of the bone.

Etymology

Origin of osteosarcoma

First recorded in 1800–10; osteo- + sarcoma

Vocabulary lists containing osteosarcoma

Body Language: Os, Osteo ("Bone")

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Aiden Waller, 15, from Essex, died in February after being diagnosed with osteosarcoma three years ago, a rare and aggressive bone cancer.

From BBC • Aug. 26, 2025

Acalin said the daughter, 21-year-old Xitlali Tejeda, has been fighting conventional osteosarcoma, a bone cancer that limits her ability to move.

From Los Angeles Times • Mar. 14, 2025

Kyle was diagnosed with osteosarcoma, a bone cancer, in his left tibia in 2020.

From Washington Times • Apr. 25, 2023

His death, at Memorial Sloan Kettering hospital in Manhattan, was caused by complications of osteosarcoma, according to a spokesman, Matt Polk.

From New York Times • Apr. 19, 2023

“I’m seventeen. I had a little touch of osteosarcoma a year and a half ago, but I’m just here today at Isaac’s request.”

From "The Fault in Our Stars" by John Green

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023