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| a white, crystalline, water-insoluble, powerful high explosive, C3H6N6O6, used chiefly in bombs and shells. |
| (used as a nonsense word by children to express approval or to represent the longest word in English.) |
osteogenesis imperfecta osteogenesis im·per·fec·ta (ĭm'pər-fěk'tə)
n.
A hereditary disease marked by abnormal fragility and plasticity of bone, with recurring fractures resulting from minimal trauma, deformity of long bones, a bluish coloration of the sclerae, and often the development of otosclerosis. Also called brittle bones.
| osteogenesis imperfecta (ŏs'tē-ə-jěn'ĭ-sĭs ĭm'pər-fěk'tə) Pronunciation Key
A hereditary disease characterized by abnormally brittle, easily fractured bones. |