n.
Improper development of cartilage at the ends of the long bones, resulting in a form of congenital dwarfism.
achondroplastic a·chon'dro·plas'tic (-plăs'tĭk) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.