osteoporosis
noun
os·te·o·po·ro·sis
ˌä-stē-ō-pə-ˈrō-səs 
plural osteoporoses
ˌä-stē-ō-pə-ˈrō-ˌsēz
: 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
Examples of osteoporosis in a Sentence
Recent Examples on the Web
Regular physical activity lowers the risk of heart disease, stroke, high blood pressure, type 2 diabetes, osteoporosis and several cancers.
—
Fred Sassani, Austin American Statesman, 29 Jan. 2026
The finding, published Thursday in the journal Science, suggests that longevity is akin to other complex traits — such as cholesterol levels and osteoporosis risk — that are thought to be shaped by many genes but also heavily influenced by how and where people live.
—Michal Ruprecht, CNN Money, 29 Jan. 2026
That’s a fast track to osteoporosis—and women are at baseline higher risk than men, just by having less bone mass to start with, and because of the drop in estrogen that occurs with menopause.
—Erica Sloan, SELF, 29 Jan. 2026
Older adults are more susceptible because their balance and muscle strength can worsen with age, and because of medical conditions such as osteoporosis that make fractures more likely.
—Miriam Fauzia, Dallas Morning News, 26 Jan. 2026
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Fred Sassani, Austin American Statesman, 29 Jan. 2026
The finding, published Thursday in the journal Science, suggests that longevity is akin to other complex traits — such as cholesterol levels and osteoporosis risk — that are thought to be shaped by many genes but also heavily influenced by how and where people live.
—Michal Ruprecht, CNN Money, 29 Jan. 2026
That’s a fast track to osteoporosis—and women are at baseline higher risk than men, just by having less bone mass to start with, and because of the drop in estrogen that occurs with menopause.
—Erica Sloan, SELF, 29 Jan. 2026
Older adults are more susceptible because their balance and muscle strength can worsen with age, and because of medical conditions such as osteoporosis that make fractures more likely.
—Miriam Fauzia, Dallas Morning News, 26 Jan. 2026
See All Example Sentences for osteoporosis
Cite this Entry
“Osteoporosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/osteoporosis. Accessed 4 Feb. 2026.
Copy CitationKids Definition
osteoporosis
noun
os·te·o·po·ro·sis
ˌäs-tē-ō-pə-ˈrō-səs
: 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
plural osteoporoses
-ˌsēz
: 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
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