osteoporosis

noun

os·​te·​o·​po·​ro·​sis ˌä-stē-ō-pə-ˈrō-səs How to pronounce osteoporosis (audio)
plural osteoporoses ˌä-stē-ō-pə-ˈrō-ˌsēz How to pronounce osteoporosis (audio)
: a condition that affects especially older women and is characterized by decrease in bone mass with decreased density and enlargement of bone spaces producing porosity and fragility
osteoporotic adjective

Examples of osteoporosis in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Women, in particular, are at high risk of developing such conditions after menopause as osteopenia or osteoporosis. Jennifer Steinhoff, Verywell Health, 14 May 2025 In 2026, the federal government will begin negotiations for Medicare Part B medications, which include infusion treatments administered in outpatient facilities for diseases like cancer, lupus, osteoporosis and Crohn’s disease. Dan McCarty, San Diego Union-Tribune, 7 May 2025 Commonly known as a DEXA scan, this test can help detect early signs of bone loss, a major risk factor for all sorts of debilitating conditions, including hip fractures and osteoporosis. Galina Espinoza, Flow Space, 5 May 2025 Today, over 2 million researchers in almost 200 countries use the AlphaFold Protein Structure Database to assist their research for tasks like fighting malaria, discovering osteoporosis earlier and making progress in new Parkinson's treatments. Naveen Zutshi, Forbes.com, 5 May 2025 See All Example Sentences for osteoporosis

Word History

Etymology

New Latin, from oste- + porosis rarefaction, from porus pore + -osis

First Known Use

1841, in the meaning defined above

Time Traveler
The first known use of osteoporosis was in 1841

Browse Nearby Words

Cite this Entry

“Osteoporosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/osteoporosis. Accessed 21 May. 2025.

Kids Definition

osteoporosis

noun
os·​te·​o·​po·​ro·​sis ˌäs-tē-ō-pə-ˈrō-səs How to pronounce osteoporosis (audio)
: a condition affecting especially older women that is characterized by weak bones that are easily broken

Medical Definition

osteoporosis

noun
os·​teo·​po·​ro·​sis ˌäs-tē-ō-pə-ˈrō-səs How to pronounce osteoporosis (audio)
plural osteoporoses -ˌsēz How to pronounce osteoporosis (audio)
: a condition that affects especially older women and is characterized by decrease in bone mass with decreased density and enlargement of bone spaces producing porosity and brittleness
osteoporotic adjective

More from Merriam-Webster on osteoporosis

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