noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   an uncommon osteoid tissue-forming primary neoplasm of the bone
2. 2
   benign tumor of bone and fibrous tissue; occurs in the vertebrae or femur or tibia or arm bones (especially in young adults) wordnet

Etymology

From osteo- + blastoma.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.