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osteopetrosis

[ os-tee-oh-pi-troh-sis ]

noun

, Pathology.
  1. any of several hereditary diseases characterized by increased bone density.

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Word History and Origins

Origin of osteopetrosis1

1925–30; osteo- + Greek petrō-, variant stem of petroûn to turn to stone (derivative of pétra stone) + -sis -sis; -osis

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