chondrodysplasia

noun
chon·​dro·​dys·​pla·​sia | \ ˌkän-drə-dis-ˈplāzh(-ē)-ə, -drō- How to pronounce chondrodysplasia (audio) \

Medical Definition of chondrodysplasia

: a hereditary skeletal disorder characterized by the formation of exostoses at the epiphyses and resulting in arrested development and deformity

called also dyschondroplasia