An inherited skeletal disorder beginning before birth

• Cartilage is converted to bone resulting in dwarfism

Wikipedia Word definitions in Wikipedia
Achondroplasia is a common cause of dwarfism . It occurs as a sporadic mutation in approximately 80% of cases (associated with advanced paternal age) or it may be inherited as an autosomal dominant genetic disorder . People with achondroplasia have short ...

WordNet Word definitions in WordNet
n. an inherited skeletal disorder beginning before birth; cartilage is converted to bone resulting in dwarfism [syn: achondroplasty , osteosclerosis congenita , chondrodystrophy ]

Wiktionary Word definitions in Wiktionary
n. (context teratology English) A genetic disorder, the most common form of short limb dwarfism.

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
achondroplasia \achondroplasia\ n. 1. a skeletal disorder beginning before birth; cartilage is converted to bone resulting in dwarfism.