defective conversion of cartilage into bone, especially at the epiphyses of long bones, producing a type of dwarfism.
a skeletal disorder, characterized by failure of normal conversion of cartilage into bone, that begins during fetal life and results in dwarfism
achondroplasia a·chon·dro·pla·sia (ā-kŏn’drō-plā’zhə, -zhē-ə, ə-kŏn’-) or a·chon·dro·plas·ty (ā-kŏn’drō-plās’tē, ə-kŏn’-)
Improper development of cartilage at the ends of the long bones, resulting in a form of congenital dwarfism. Also called osteosclerosis congenita.
a·chon’dro·plas’tic (-plās’tĭk) adj.
- Achondroplastic dwarfism
achondroplastic dwarfism achondroplastic dwarfism n. A congenital dwarfism resulting from a failure of cartilage to normally develop into bone, especially cartilage on the ends of long bones.
. (used to represent the sound of a person sneezing.) Contemporary Examples Which brings me—achoo—to the other matter: the AIG bonus business. Bonfire of the Inanities Christopher Buckley March 21, 2009 Historical Examples They are enlargin’ the burial ground in Llanycil Churchyard—achoo! Contemporary One-Act Plays Sir James M. Barrie
achor trouble, a valley near Jericho, so called in consequence of the trouble which the sin of Achan caused Israel (Josh. 7:24,26). The expression “valley of Achor” probably became proverbial for that which caused trouble, and when Isaiah (Isa. 65:10) refers to it he uses it in this sense: “The valley of Achor, a place […]
achre Advisory Committee on Human Radiation Experiments