[ os-tee-oh-pi-troh-sis ]
/ ˌɒs ti oʊ pɪˈtroʊ sɪs /

noun Pathology.

any of several hereditary diseases characterized by increased bone density.

Origin of osteopetrosis

1925–30; osteo- + Greek petrō-, variant stem of petroûn to turn to stone (derivative of pétra stone) + -sis -sis; see -osis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for osteopetrosis


[ ŏs′tē-ō-pĕ-trōsĭs ]


An inherited disorder in which bone and cartilage, especially in long bones, become dense and hardened to an extent that marrow is obliterated, and anemia, spleen and liver enlargement, blindness, and progressive deafness occur; it begins in infancy and sometimes results in early death.Albers-Schönberg disease marble bone disease marble bones
Related formsos′te•o•pe•trotic (-trŏtĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.