osteosarcoma

noun, plural os·te·o·sar·co·mas, os·te·o·sar·co·ma·ta [os-tee-oh-sahr-koh-muh-tuh] /ˌɒs ti oʊ sɑrˈkoʊ mə tə/. Pathology.

1. a malignant tumor of the bone.

n.

1. A malignant bone tumor.osteogenic sarcoma