✨📕 The NEWThe NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Buy Now! Collegiate DictionaryBuy Now!

sarcopenia

noun

sar·​co·​pe·​nia ˌsär-kō-ˈpē-nē-ə How to pronounce sarcopenia (audio)
: reduction in skeletal muscle mass due to aging

Examples of sarcopenia 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.
Research shows people with sarcopenia are significantly more likely to experience injury-inducing falls than those without it. Julia Sullivan, Health, 7 Nov. 2025 In addition to countering sarcopenia, a second reason for consuming more protein is that older bodies are less efficient in just about everything. Bryant Stamford, Louisville Courier Journal, 9 Oct. 2025 Many healthcare providers use grip strength tests to assess sarcopenia, muscle loss that occurs as you age. Aubrey Bailey, Verywell Health, 8 Sep. 2025 Recent evidence suggests that one of the key factors leading to sarcopenia is low muscle strength. Zachary Gillen, Discover Magazine, 19 Oct. 2023

Word History

Etymology

sarco- + -penia

First Known Use

1991, in the meaning defined above

Time Traveler
The first known use of sarcopenia was in 1991

Browse Nearby Words

Cite this Entry

“Sarcopenia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sarcopenia. Accessed 29 Nov. 2025.

Medical Definition

sarcopenia

noun
sar·​co·​pe·​nia ˌsär-kō-ˈpē-nē-ə How to pronounce sarcopenia (audio)
: reduction in skeletal muscle mass due to aging
Age-related sarcopenia is a key component of frailty.Alessandro Laviano, The New England Journal of Medicine
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!