achondroplasia achondroplasia /əˌkɒndroʊˈpleɪziə/

noun

1. An inherited skeletal disorder beginning before birth; cartilage is converted to bone resulting in dwarfism  ( achondroplasia , achondroplasty , chondrodystrophy , osteosclerosis congenita )
   an inherited skeletal disorder beginning before birth; cartilage is converted to bone resulting in dwarfism