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osteopetrosis

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

noun

Pathology.

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

Etymology

Origin of osteopetrosis

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The drug was approved for treatment of chronic granulomatous and malignant osteopetrosis, which are genetic disorders.

From Reuters • Dec. 16, 2013

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.