prosthesis

noun

pros·​the·​sis präs-ˈthē-səs How to pronounce prosthesis (audio)
ˈpräs-thə-
plural prostheses präs-ˈthē-ˌsēz How to pronounce prosthesis (audio)
ˈpräs-thə-
: an artificial device to replace or augment a missing or impaired part of the body
upper and lower limb prostheses
a postmastectomy breast prosthesis
removable dental prostheses

Examples of prosthesis in a Sentence

She was fitted with a prosthesis to replace her missing leg.
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.
While the government does not provide official figures on amputations, a state program issued prostheses to almost 20,000 people across 2023 and the first half of 2024, and many others were helped by private programs in Ukraine and abroad. Daria Tarasova-Markina, CNN, 13 Jan. 2025 Still, an October report by the Government Accountability Office found that only 30% of beneficiaries who lost a limb in 2016 received a prosthesis in the following three years. Michelle Andrews | Kff Health News, ABC News, 6 Jan. 2025 Neuralink’s Blindsight Device is Likely to Disappoint Getty Images Elon Musk has made bold claims about the coming capabilities of Neuralink Blindsight, his company’s visual prosthesis aiming to restore vision in people who have lost sight in both eyes. IEEE Spectrum, 22 Dec. 2024 Joseph never spoke of the pain or having a prosthesis in place of a right leg. Phoebe Wall Howard, Detroit Free Press, 25 Nov. 2024 See all Example Sentences for prosthesis 

Word History

Etymology

New Latin, from Greek, addition, from prostithenai to add to, from pros- in addition to + tithenai to put — more at pros-, do

First Known Use

circa 1900, in the meaning defined above

Time Traveler
The first known use of prosthesis was circa 1900

Dictionary Entries Near prosthesis

Cite this Entry

“Prosthesis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/prosthesis. Accessed 26 Jan. 2025.

Kids Definition

prosthesis

noun
pros·​the·​sis präs-ˈthē-səs How to pronounce prosthesis (audio)
ˈpräs-thə-
plural prostheses -ˌsēz How to pronounce prosthesis (audio)
: an artificial device that replaces a missing part of the body
prosthetic
präs-ˈthet-ik
adjective

Medical Definition

prosthesis

noun
pros·​the·​sis präs-ˈthē-səs, ˈpräs-thə- How to pronounce prosthesis (audio)
plural prostheses -ˌsēz How to pronounce prosthesis (audio)
: an artificial device to replace or augment a missing or impaired part of the body
transtibial prostheses
a postmastectomy breast prosthesis
biological and mechanical heart valve prostheses

More from Merriam-Webster on prosthesis

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