‖ ˌosteosarˈcoma Path.
[f. osteo- + sarcoma.]
1. Sarcoma in the bone; ‘term for a disease of the bone in which a fleshy, medullary, or cartilaginous mass grows within it’ (Mayne, 1857).
| 1807–26 S. Cooper First Lines Surg. (ed. 5) 391 Osteo⁓sarcoma, and some inveterate fungous diseases of the lower jaw-bone..might be safely taken away, by amputating a more or less considerable portion of that bone. 1835–6 Todd Cycl. Anat. I. 461/1 The osteo-sarcoma is propagated by the continuity of some cancerous affection. 1876 Clin. Soc. Trans. IX. 77 Suffering from..osteo-sarcoma of the femur. |
2. A sarcoma which undergoes osseous transformation.
| 1878 T. Bryant Pract. Surg. I. 136 Sarcomata or even carcinomata may directly ossify, and so we get osteo-sarcoma and osteo-carcinoma. 1892 Syd. Soc. Lex., Osteosarcoma, same as osteoid sarcoma. |
Hence ˌosteosarˈcomatous a.
| 1835–6 Todd Cycl. Anat. I. 461/1 Osteo-sarcomatous tumours..generally consisting of this firm material. |